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Why must we define both == and != in C#?
...tors is present, it will use the default reference equality operator, that all objects have, there is not an overload for it.1
Knowing that this is the case, the real question is: Why was this designed in this way and why doesn't the compiler figure it out on its own? A lot people are saying this ...
Regex to match only letters
...pends on what definition of "latin character" you choose. J, U, Ö, Ä can all be argued to be latin characters or not, based on your definition. But they are all used in languages that use the "latin alphabet" for writing.
– Joachim Sauer
Sep 1 '10 at 12:23
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C++ IDE for Linux? [closed]
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Initially: confusion
When originally writing this answer, I had recently made the switch from Visual Studio (with years of experience) to Linux and the first thing I did was try to find a reasonable IDE. At the time this was impo...
How to drop a PostgreSQL database if there are active connections to it?
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Actually it would disconnect clients one by one, and if you client is in the middle of the list it will be disconnected too. As a result, some connections will stay alive. So, the right answer is by Craig Ringer (see below). SELE...
How can I get the MAC and the IP address of a connected client in PHP?
... address, you could parse the output of netstat -ie in Linux, or ipconfig /all in Windows.
Client IP address
You can get the client IP from $_SERVER['REMOTE_ADDR']
Client MAC address
The client MAC address will not be available to you except in one special circumstance: if the client is on the s...
Reset C int array to zero : the fastest way?
... long long int or unsigned long long int, what is the fastest way to reset all its content to zero (not only for initialization but to reset the content several times in my program)? Maybe with memset?
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Git push won't do anything (everything up-to-date)
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git push doesn't push all of your local branches: how would it know which remote branches to push them to? It only pushes local branches which have been configured to push to a particular remote branch.
On my version of Git (1.6.5.3), when I run ...
View HTTP headers in Google Chrome?
... More to note: if you don't see any resources - look at tabs area (All | XHR JS and etc) and select All
– Zanshin13
Jan 12 '17 at 10:05
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How to clear basic authentication details in chrome
...password the last time you entered.
To use this trick, make sure to close all incognito windows. All incognito windows share the same cache. In other words, you cannot open multiple independent incognito windows. If you login in one of them and open another one, those two are related and you will s...
jQuery - select all text from a textarea
... around a problem in Chrome that prevents the simplest version (i.e. just calling the textarea's select() method in a focus event handler) from working.
jsFiddle: http://jsfiddle.net/NM62A/
Code:
<textarea id="foo">Some text</textarea>
<script type="text/javascript">
var te...