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What is thread contention?
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This answer is incomplete (as are most of the others). While a lock is one type of thing that there can be contention over, it is far from the only such thing. There can be contention for lockless resources as well. (For example, if two threads keep atomically...
How can I check if an ip is in a network in Python?
...7.1.1', '172.3.0.0/16') -> True (I converted 'L' to '<L' in my 64bit os)
– Taha Jahangir
Feb 10 '12 at 5:01
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How can I make my custom objects Parcelable?
...trying to make my objects Parcelable. However, I have custom objects and those objects have ArrayList attributes of other custom objects I have made.
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Mongod complains that there is no /data/db folder
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Also for me. Installing mongo via homebrew on my OSX doesn't add a mongod user and group.
– Zauker
Sep 23 '16 at 8:41
add a comment
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How to fix Error: listen EADDRINUSE while using nodejs?
... @Nobita Does this work in Windows? Now I realize it might be a MAC OS command. Anyway, I restarted my PC and didn't get this error anymore. I think some other application was using the same port node was trying to use.
– Ulysses Alves
Jan 5 '16 at 13:49...
How to pre-populate the sms body text via an html link
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It turns out this is 100% possible, though a little hacky.
If you want it to work on Android you need to use this format:
<a href="sms:/* phone number here */?body=/* body text here */">Link</a>
If you want it to work on iOS, you need t...
How to find patterns across multiple lines using grep?
I want to find files that have "abc" AND "efg" in that order, and those two strings are on different lines in that file. Eg: a file with content:
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Hiding a password in a python script (insecure obfuscation only)
...d it out. For anyone else who cares: If a script has a setuid bit set the OS will 'pass' the setuid bit to the interpreter. Unfortunately, there are massive gaping security holes so most modern distros turn off setuid for scripts.
– Youarefunny
Apr 22 '11 at ...
Find merge commit which include a specific commit
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Suppose at some point master was merged into feature, then immediately feature is merged into master as a fast-forward (tip of feature replaces master). Would that cause --first-parent to return the wrong parent?
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Read/Write 'Extended' file properties (C#)
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For those of not crazy about VB, here it is in c#:
Note, you have to add a reference to Microsoft Shell Controls and Automation from the COM tab of the References dialog.
public static void Main(string[] args)
{
List<strin...