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How to get first N elements of a list in C#?
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List<T>.Sort returns void; you would need to sort, then use GetRange separately. You could also use a Comparison<T> anonymous method to remove the need for CLASS_FOR_COMPARER.
– Marc Gravell♦
Nov 26 '0...
Show diff between commits
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To see the difference between two different commits (let's call them a and b), use
git diff a..b
Note that the difference between a and b is opposite from b and a.
To see the difference between your last commit and not yet committed changes, use
git diff
If you want to be ab...
Where can I find WcfTestClient.exe (part of Visual Studio)
...e below the answer by Gaspa79 for the right path (tl;dr: access the folder called simply "Microsoft Visual Studio" WITHOUT the version number, in ProgFiles, and open the same subfolder)
– A. Chiesa
Aug 16 '18 at 13:35
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Count occurrences of a char in a string using Bash
...iven string"
N=${#var}
G=${var//g/}
G=${#G}
(( G = N - G ))
echo "$G"
No call to any other program
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What is the theoretical maximum number of open TCP connections that a modern Linux box can have
...port
< client > < server >
Inside the TCP stack, these four fields are used as a compound key to match up packets to connections (e.g. file descriptors).
If a client has many connections to the same port on the same destination, then three of those fields...
Get the IP address of the remote host
...ttpRequest class, which contains ServerVariables property which can provide us the IP address from REMOTE_ADDR property value.
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Automatically add newline at end of curl response body
...d up with this really annoying condition where the shell prompt is in the middle of the line, and escaping is messed up enough that when I put the last curl command on the screen, deleting characters from that curl command deletes the wrong characters.
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How to switch a user per task or set of tasks?
...udo privileges ( sudo: yes ) because I'd like to do it for a certain user. Ideally I'd much rather use sudo to switch to that user and execute the commands normally. Because then I won't have to do my usual post commands clean up such as chowning directories. Here's a snippet from one of my playbook...
How to hide the “back” button in UINavigationController?
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Also learn from my mistake: you have to call setHidesBackButton: BEFORE you push the navigationItem into the navigationController.
– codingFriend1
Nov 16 '12 at 16:26
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get name of a variable or parameter [duplicate]
...t of the document format, which has nothing to do with what the locals are called.
– Marc Gravell♦
Mar 21 '12 at 9:30
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