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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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How to determine if a string is a number with C++?
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The most efficient way would be just to iterate over the string until you find a non-digit character. If there are any non-digit characters, you can consider the string not a number.
bool is_number(const std::string& s)
{
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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...
How do you round a floating point number in Perl?
...iest
route.
printf("%.3f", 3.1415926535); # prints 3.142
The POSIX module (part of the standard Perl distribution) implements
ceil(), floor(), and a number of other mathematical and trigonometric
functions.
use POSIX;
$ceil = ceil(3.5); # 4
$floor ...
Check whether HTML element has scrollbars
...s might not be the accepted solution, but it worked for me. Robert, for those cases, couldn't you also fetch the css overflow property to test for those cases (eg div.scrollHeight>div.clientHeight && !(div.style.overflow && div.style.overflow == 'hidden'))?
–...
Remove vertical padding from horizontal ProgressBar
... (like in this answer is better solution and not depend on phone size/type/os version
– koceeng
Feb 27 '17 at 10:52
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