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Fastest way to determine if record exists
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@Declan_K: seems like my magic sphere failed in this case and a column entitled as id isn't PK. So +1 to your advice.
– zerkms
Aug 7 '13 at 22:00
4
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Forward declaring an enum in C++
... char or an int, or something else.
From Section 7.2.5 of the ISO C++ Standard:
The underlying type of an enumeration is an integral type that can represent all the enumerator values defined in the enumeration. It is implementation-defined which integral type is used as the underlying type fo...
Colorize logs in eclipse console
...lorize parts of logs in the eclipse console. I know I could send to error and standard streams and color them differently but I'm more looking someting in the lines of ANSI escape codes (or anyother, HTML ?) where I could embed the colors in the string to have it colored in the logs.
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How do I POST urlencoded form data with $http without jQuery?
I am new to AngularJS, and for a start, I thought to develop a new application using only AngularJS.
11 Answers
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Remove Trailing Spaces and Update in Columns in SQL Server
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I am using SQL Management Studio v17.8.1 and while I get Intellisense for the TRIM function, when I execute it, it says it is not valid. I had to use the code above. Weird.
– DesertFoxAZ
Nov 2 '18 at 17:05
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How can I validate a string to only allow alphanumeric characters in it?
...n use LINQ:
if (yourText.All(char.IsLetterOrDigit))
{
//just letters and digits.
}
yourText.All will stop execute and return false the first time char.IsLetterOrDigit reports false since the contract of All cannot be fulfilled then.
Note! this answer do not strictly check alphanumerics (whi...
How can I change the version of npm using nvm?
...S for my node work. It works totally fine for installing separate versions and switching between them. It also installs the latest version of NPM within each local .../bin folder along with the node binary. However, there doesn't seem to be any way to switch the version of NPM that I'm using (or at ...
What makes JNI calls slow?
...thods, in 2010 I measured calls at an average 40 ns on my Windows desktop, and 11 ns on my Mac desktop. Unless you're making many calls, you're not going to notice.
That said, calling a native method can be slower than making a normal Java method call. Causes include:
Native methods will not be i...
node and Error: EMFILE, too many open files
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For when graceful-fs doesn't work... or you just want to understand where the leak is coming from. Follow this process.
(e.g. graceful-fs isn't gonna fix your wagon if your issue is with sockets.)
From My Blog Article: http://www.blakerobertson.com/devlog/2014/1/11/how-to-determine-whats...
UIGestureRecognizer on UIImageView
I have a UIImageView , which I want to be able to resize and rotate etc.
8 Answers
8
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