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I have the following item set from an XML: id category 5 1 5 3 5 4 5 3 5 3 I need a distinct list of ... 4 How can I distinct for Category AND Id too in LINQ? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c++ - Two phase lookup - explanation needed

What does it mean that compiler is using two phase lookup in order to compile template class? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Difference between msysgit and Cygwin + git?

What is the difference between msysgit and Cygwin + git? Now I'm using msysgit, but I don't like the Git ... to Cygwin, because then I could use mintty. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Why can't I add properties to a string object in javascript?

I inherited some javascript code another developer wrote. He didn't like the grid component we used throughout the ... to fix,) that would be really helpful. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Convert a number range to another range, maintaining ratio

I'm trying to convert one range of numbers to another, maintaining ratio. Maths is not my strong point. I have an image ... be -50 to 800 instead of 0 to 100). Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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asp.net - IIS AppPoolIdentity and file system write access permissions

Here's an issue with IIS 7.5 and ASP.NET that I've been researching and getting nowhere with. Any help ... appears to be no explicit file system access granted. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Can grep show only words that match search pattern?

Is there a way to make grep output "words" from files that match the search expression? If I want to ... using grep? Or using another combination of tools? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How to manage local vs production settings in Django?

What is the recommended way of handling settings for local development and the production server? Some of them (like ... I've accepted the most popular method. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - How does the paste image from clipboard functionality work in Gmail and Google Chrome 12+?

I noticed a blog post from Google that mentions the ability to paste images directly from the clipboard into a ... (or Chrome) that enables the functionality? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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C# code to validate email address

What is the most elegant code to validate that a string is a valid email address? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - When should I use a List vs a LinkedList

When is it better to use a List vs a LinkedList? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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algorithm - How do I search for a number in a 2d array sorted left to right and top to bottom?

I was recently given this interview question and I'm curious what a good solution to it would be. Say I'm given a 2d array where ... 7 8 4 6 8 9 10 5 8 9 10 11 Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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css - How do I position one image on top of another in HTML?

I'm a beginner at rails programming, attempting to show many images on a page. Some images are to lay on top of ... the six images on top of the other one. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How to add calendar events in Android?

I'm just getting up to speed on Android, and today in a project meeting someone said that Android has no ... worth, we're probably targeting Android 2.x. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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json - How to parse Excel (XLS) file in Javascript/HTML5

I am able to read Excel file via FileReader but it outputs text as well as weird characters with it. I need to read ... JSON. How to read xls file row by row? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Android - Start service on boot

From everything I've seen on Stack Exchange and elsewhere, I have everything set up correctly to start an ... something? Again, any help is much appreciated. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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283 views

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javascript - How to run Gulp tasks sequentially one after the other

in the snippet like this: gulp.task "coffee", -> gulp.src("src/server/**/*.coffee") .pipe(coffee {bare: ... that out. This piece doesn't work. Please advise. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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syntax - Effects of the extern keyword on C functions

In C, I did not notice any effect of the extern keyword used before function declaration. At first, I thought ... I'm only asking about extern in functions. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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95 views

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python - Writing Unicode text to a text file?

I'm pulling data out of a Google doc, processing it, and writing it to a file (that eventually I will paste ... to write to something other than a text file? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql - Create unique constraint with null columns

I have a table with this layout: CREATE TABLE Favorites ( FavoriteId uuid NOT NULL PRIMARY KEY, UserId uuid NOT NULL ... 0. Is there any method I'm overlooking? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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108 views

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java - Unresponsive KeyListener for JFrame

I'm trying to implement a KeyListener for my JFrame. On the constructor, I'm using this code: System.out.println( ... is. Is there something that I am missing? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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267 views

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html - How can I simulate an anchor click via jquery?

I have a problem with faking an anchor click via jQuery: Why does my thickbox appear the first time I click on ... it seems to work every time. Any hints? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - event.returnValue is deprecated. Please use the standard event.preventDefault() instead

I have this script: <script> $(document).ready(function () { $("#changeResumeStatus").click(function () { $.get("{ ... is a <span>. What's wrong with my script? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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147 views

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javascript - Why do results vary based on curly brace placement?

Why do the code snippets below, taken from this article, produce different results due to only a single change in the placement ... - it broke: ' + typeof r); } Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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207 views

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html - Difference between Relative path and absolute path in javascript

Have small clarifications, As of my knowledge these are the relative and absolute paths, Completely relative: < ... way of converting absolute path to relative Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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84 views

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Appending files to a zip file with Java

I am currently extracting the contents of a war file and then adding some new files to the directory ... TrueZip or can recommend other similar libaries? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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171 views

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image processing - A guide to convert_imageset.cpp

I am relatively new to machine learning/python/ubuntu. I have a set of images in .jpg format where ... use convert_imageset.cpp in the ubuntu terminal? Thanks Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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94 views

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javascript - Assigning prototype methods *inside* the constructor function - why not?

Stylistically, I prefer this structure: var Filter = function( category, value ){ this.category = category; ... and aggravation due to bad coding practices. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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