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Test if remote TCP port is open from a shell script
...ethod for properly testing if a given TCP port is open on a remote server, from inside a Shell script.
16 Answers
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How to stop C# console applications from closing automatically? [duplicate]
... the output before the console window closes. When the application is used from the command line no pause is needed, as the console window does not close after a command has finished.
– Jeppe Stig Nielsen
Aug 5 '14 at 21:36
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Anatomy of a “Memory Leak”
...the nesting/referencing of your objects to see where references are coming from and what root object is responsible (red-gate ants profile, JetBrains dotMemory, memprofiler are really good choices, or you can use the text-only WinDbg and SOS, but I'd strongly recommend a commercial/visual product un...
Generating random numbers in Objective-C
...and(3) and
random(3).
The arc4random_stir() function reads data from /dev/urandom and uses it to permute the S-Boxes via
arc4random_addrandom().
There is no need to call arc4random_stir() before using arc4random(), since arc4random() automatically
initializes itself.
EXAM...
How to push to a non-bare Git repository?
...ository. Sometimes I'm not online, so I have a separate repository (cloned from my remote) on my laptop.
5 Answers
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How to run a PowerShell script from a batch file
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I explain both why you would want to call a PowerShell script from a batch file and how to do it in my blog post here.
This is basically what you are looking for:
PowerShell -NoProfile -ExecutionPolicy Bypass -Command "& 'C:\Users\SE\Desktop\ps.ps1'"
And if you need to run your ...
Sort points in clockwise order?
...* (a.y - center.y)
if the result is zero, then they are on the same line from the center, if it's positive or negative, then it is on one side or the other, so one point will precede the other.
Using it you can construct a less-than relation to compare points and determine the order in which they ...
Extract hostname name from string
I would like to match just the root of a URL and not the whole URL from a text string. Given:
27 Answers
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How do I update pip itself from inside my virtual environment?
...nd like that: python -m pip install --upgrade pip to avoid running pip.exe from scripts directory.
– bialix
Feb 19 '14 at 14:47
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Can I mask an input text in a bat file?
...ord
The getpwd.vbs simply uses the password object to input the password from the user and then print it to standard output (the next paragraph will explain why that doesn't show up in the terminal).
The getpwd.cmd command script is a bit trickier but it basically works as follows.
The effect of...