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Different ways of clearing lists
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It'd be great if anyone can show the performance difference between those methods!
– Suanmeiguo
Jul 24 '15 at 20:40
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Detect element content changes with jQuery
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I know this post is a year old, but I'd like to provide a different solution approach to those who have a similar issue:
The jQuery change event is used only on user input fields because if anything else is manipulated (e.g., a div), that manipulation is coming from code. So, find...
How do you auto format code in Visual Studio?
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In VS2010, if you have Format document is not available... error message, please read: stackoverflow.com/q/8812741/1016891
– tom_mai78101
Sep 10 '14 at 3:47
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Read Post Data submitted to ASP.Net Form
...ingly:
NameValueCollection nvc = Request.Form;
string userName, password;
if (!string.IsNullOrEmpty(nvc["txtUserName"]))
{
userName = nvc["txtUserName"];
}
if (!string.IsNullOrEmpty(nvc["txtPassword"]))
{
password = nvc["txtPassword"];
}
//Process login
CheckLogin(userName, password);
... w...
Angular js init ng-model from default values
...ications. You don't want to write your values into your HTML on the server if you can avoid it. If fact, if you can get away from having your server render HTML entirely, all the better.
Ideally, you want to send out your Angular HTML templates, then pull down your values via $http in JSON and put ...
Syntax of for-loop in SQL Server
...pecially for those that are new to SQL), what Damien said: "SQL is a very different language compared to what you're used to. It's focused on what, not how. You tell SQL Server what results you want, and let it figure out how to produce the answer. "
– ypercubeᵀᴹ
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How to get parameters from a URL string?
...rse_url($url);
parse_str($parts['query'], $query);
echo $query['email'];
If you want to get the $url dynamically with PHP, take a look at this question:
Get the full URL in PHP
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Can PHP PDO Statements accept the table or column name as parameter?
...ample here generates invalid SQL for bad input, because it has no default. If using this pattern, you should either label one of your cases as default, or add an explicit error case such as default: throw new InvalidArgumentException;
– IMSoP
Oct 22 '15 at 9:34...
What is the difference between user variables and system variables?
What is the difference between user variables such as PATH , TMP , etc. and system variables?
5 Answers
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Why doesn't GCC optimize a*a*a*a*a*a to (a*a*a)*(a*a*a)?
I am doing some numerical optimization on a scientific application. One thing I noticed is that GCC will optimize the call pow(a,2) by compiling it into a*a , but the call pow(a,6) is not optimized and will actually call the library function pow , which greatly slows down the performance. (In ...