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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 ... method? Thanks a lot See Question&Answers more detail:os...

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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 ... ]??'default'; Why not? See Question&Answers more detail:os...

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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. ... -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 ... 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 ... to the login username and password? See Question&Answers more detail:os...

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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. ... target??? please help... See Question&Answers more detail:os...

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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' ... to copy the file? See Question&Answers more detail:os...

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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: <? ... link value in html tag? Thank you! See Question&Answers more detail:os...

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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() ... the second one can? I am really confused. See Question&Answers more detail:os...

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using absolute paths in typescript for imports

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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 ... a straight-forward property). See Question&Answers more detail:os...

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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...

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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' ... java/usb APIs. Thanks, Jbu See Question&Answers more detail:os...

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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 ... exportPattern("^[[:alpha:]]+") See Question&Answers more detail:os...

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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, ... when I run it.?? Thanks, Nitin See Question&Answers more detail:os...

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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 ... keep getting the wrong solution. any help? thanks! See Question&Answers more detail:os...

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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 ... don't want separate files. See Question&Answers more detail:os...

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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 ... 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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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 ... within a PHP web framework? See Question&Answers more detail:os...

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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 ... it doesn't print out anything. See Question&Answers more detail:os...

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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 ... 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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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 ... 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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using classpath: in spring

I have two questions regarding classpath: option in spring :- 1) Does classpath: search for resource relative to the ... > </bean> Thanks... See Question&Answers more detail:os...

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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. ... the application of hashset? See Question&Answers more detail:os...

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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 ... no difference. Please advise. See Question&Answers more detail:os...

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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 ... 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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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 ... 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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using unicode in Javascript

In JavaScript we can use the below line of code(which uses Unicode) for displaying copyright symbol: var x ... 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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