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Why does “split” on an empty string return a non-empty array?
...ngleton array containing just the input string is returned,
Second, remove all the rightmost empty strings. This is the reason ",,,".split(",") returns empty array.
According to this, the result of "".split(",") should be an empty array because of the second step, right?
It should. Unfortunately,...
node.js shell command execution
... you are expecting synchronous behavior while using stdout asynchronously. All of the calls in your run_cmd function are asynchronous, so it will spawn the child process and return immediately regardless of whether some, all, or none of the data has been read off of stdout. As such, when you run
co...
JavaScript file upload size validation
...e used for this purpose, and it's easy to test whether it's supported and fall back (if necessary) to another mechanism if it isn't.
Here's a complete example:
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-type" content="text/html;charset=UTF-8">
<title>Show...
zsh compinit: insecure directories
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This is definitely the best solution for me. I installed zsh and zsh-completions with Homebrew, so obviously did not want to change it to be owned by root.
– katy lavallee
Oct 18 '16 at 18:10
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Where do you store your salt strings?
...ght about a salt per user I was thinking that a single salt would work for all users. What about a salt that is stored as an XML file that is loaded by the App Server? or maybe somehow hardcoded into a servlet?
– jigzat
Jul 25 '12 at 2:58
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Can someone copyright a SQL query? [closed]
... I would write a full description of what the query needs to do, including all the tables, fieldnames etc., and post that here. Someone here is bound to be able to write a new version of the query that is not copyright your developer, and you can edit it each year to your hearts content.
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Java: Difference between PrintStream and PrintWriter
...es using the default platform encoding. Using the default encoding is generally a bad thing since it can lead to bugs when moving from one platform to another, especially if you are generating the file on one platform and consuming it on another.
With a Writer, you typically specify the encoding to...
“Add as Link” for folders in Visual Studio projects
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@mo. your answer adds links to all files in the project root, sometimes it is inconvenient. %(RecursiveDir) should changed to some link folder name: for example to link source folder from wp7 project 'MyMainProject' in another project in this solutio...
Store pictures as files or in the database for a web app?
...l include a lot of pictures and hopefully a fair amount of traffic. I do really want to achieve performance.
10 Answers
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ValidateRequest=“false” doesn't work in Asp.Net 4
...ebPages.dll. It is going to return a UnvalidatedRequestValues object which allows to access the form and QueryString without validation.
For example,
var queryValue = Server.UrlDecode(Request.Unvalidated("MyQueryKey"));
Works for me for MVC3 and .NET 4.
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