Recent questions tagged Using

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I've recently started to program in python and I'm having some trouble understanding how inet_nota and inet_aton work in Python. Coming from php/mysql I' ... is needed by inet_ntoa method? Thanks a lot See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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using PHP's null coalescing operator on an array

I am using PHP's null coalescing operator described by http://php.net/manual/en/migration70.new-features.php. Null coalescing operator ? The null coalescing ... $params['phone']??'default'; Why not? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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using jquery ajax to load info from database

Problem I tried using the following // Start method 1 var grbData = $.ajax({ type : "GET", url : "http://grb.sonoma.edu:81/getgrbs.php", data : "start ... $(this).css("background-color", "yellow"); }); } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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using bash command script in python

I have a python script which when run, logs information on the terminal, i want to send this logging information to a text file, To achieve this ... this work would be really helpful,Thanks in advance See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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using javascript to password protect pdf

How do I password protect a pdf using javascript? I know it's possible to apply a security policy to a pdf with javascript, but how can I get access to the login username and password? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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639 views

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using youtube data in android project

My target is to use youtube instead of server, to store videos. I need youtube provide the following function 1. upload video and get his url . 2. search ... to do to order this target??? please help... See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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using shutil.copyfile I get a Python IOError: [Errno 13] Permission denied:

I have some python code using shutil.copyfile: import os import shutil src='C:Documents and SettingsuserDesktopFilesPy' des='C:Documents and SettingsuserDesktop\ ... I have permission to copy the file? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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834 views

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using PHP variables in html tag

I get a variable from PHP code which is a webpage link, and want to use that in html tag. For example: <?php $link; ... $link = $client->api(); ?> ... How can I get the link value in html tag? Thank you! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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using key value pair of same object inside itself with 'this' in javascript

Let's say I have two objects like var a = { b: 1, c: this.b }; And var funcObj = { b : function() { return 1; }, c: function() { ... use the this property but the second one can? I am really confused. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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576 views

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using absolute paths in typescript for imports

my directory structure is: | |__src | |_components | | | |_A | |_index.tsx | | tsconfig.json package.json I want to import A like this: import { A ... get the error: can't find module 'src/components/A'; See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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796 views

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using Oracle JDBC driver implicit caching feature

I am pretty sure that somebody else already asked this question, but I still couldn't find a satisfactory answer to it. So, here is my scenario: I ... do it (I was expecting a straight-forward property). See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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580 views

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using c# how can I extract information about the hard drives present on the local machine

I'm looking to get data such as Size/Capacity, Serial No, Model No, Heads Sectors, Manufacturer and possibly SMART data. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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670 views

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using java and usb: Which api? jsr-80, jusb, ...?

I would like two java programs to communicate directly over the USB without going through a device or cable. Don't ask me why, I don't know the details ... with these or other java/usb APIs. Thanks, Jbu See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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505 views

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using a Fortran module in R?

I am able to use a fortran subroutine in R as long as I don't have it inside a module.For example: subroutine dboard(darts, dartsscore) implicit none ... useDynLib(Fpi) exportPattern("^[[:alpha:]]+") See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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635 views

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using graph.adjacency() in R

I have a sample code in R as follows: library(igraph) rm(list=ls()) dat=read.csv(file.choose(),header=TRUE,row.names=1,check.names=T) # read . ... too every time different when I run it.?? Thanks, Nitin See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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660 views

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using R - delete rows when a value repeated less than 3 times

frame with 10 rows and 3 columns a b c 1 1 201 1 2 2 202 1 3 3 203 1 4 4 204 1 5 5 205 4 6 6 206 5 7 7 207 4 8 8 208 4 ... using the function rle, but I keep getting the wrong solution. any help? thanks! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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using awk or other shell command inside gnuplot function

I want something like this: file1='logs/last/mydata1.log' file2='logs/last/mydata2.log' # declare function that uses awk to reshape the data - does not ... after plot, but I don't want separate files. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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672 views

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using clojure symbol function to make indirect function call

I'm expecting below that I should be able to call my function squared indirectly via the symbol function, but its not working. What am I doing wrong here: user ... ((symbol "user" "squared") 2) nil user=> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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790 views

1 answer

using Jasper reports in a PHP website

I would like to use Java reports 'report engine' to generate reports (HTML/PDF etc) and display them on my website. However, my website is using a ... to use Jasper Reports within a PHP web framework? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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674 views

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using java.util.Scanner to read a file byte by byte

I'm trying to read a one line file character by character using java.util.Scanner. However I'm getting this exception": Exception in thread "main" java.util ... if I do that it doesn't print out anything. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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700 views

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using anonymous function in javascript for loops

I have seen anonymous functions inside for loops to induce new scope on the web in one or two places and would like to know if it makes sense. for ... need to declare a new var inside the for loop? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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750 views

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using sql count in a case statement

I have a table and i need to present the output in the following fashion. tb_a: col1 | reg_id | rsp_ind Count of rows with rsp_ind = 0 as 'New' and ... program and so i cannot add a super-query to this. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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599 views

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using classpath: in spring

I have two questions regarding classpath: option in spring :- 1) Does classpath: search for resource relative to the document in which it is specified(in case ... classpath:myfile.txt"/> </bean> Thanks... See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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679 views

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using hashset in entity framework

I want to know what is the difference between creating classes with or without using "hashset" in constructor. Using code first approach (4.3) one ... any article which shows the application of hashset? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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684 views

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using findviewbyid in a class that does NOT extend Activity in android

I have a class that is currently extending Activity and I have methods like findViewById, ArrayAdapter etc. I want to turn it into an independent class ... but it still makes no difference. Please advise. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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745 views

1 answer

using $and with $match in mongodb

I am trying to use the following query in MongoDB but it is not working. db.test.aggregate( $match: {$and: [type: {$in: ["TOYS"]}, type: { ... is possible. Thank you in advance for your help and guidance. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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800 views

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using ffmpeg hwaccel from C++

How do I decode a file with hardware acceleration with ffmpeg? I have written a working video player that uses ffmpeg. I have checked for support using " ... regarding this, anyone know of a good source? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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610 views

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using unicode in Javascript

In JavaScript we can use the below line of code(which uses Unicode) for displaying copyright symbol: var x = "u00A9 RPeripherals"; Why can't we ... ; What is the difference between these two methods? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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