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How to search a Git repository by commit message?
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To search the commit log (across all branches) for the given text:
git log --all --grep='Build 0051'
To search the actual content of commits through a repo's history, use:
git grep 'Build 0051' $(git rev-list --all)
to show all instances of the given t...
Renaming a virtualenv folder without breaking it
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You need to adjust your install to use relative paths. virtualenv provides for this with the --relocatable option. From the docs:
Normally environments are tied to a
specific path. That means that you
cannot move an environment around or
copy ...
What encoding/code page is cmd.exe using?
...e and other programs
print gibberish, and sometimes they do not.
First of all, Unicode characters will only display if the
current console font contains the characters. So use
a TrueType font like Lucida Console instead of the default Raster Font.
But if the console font doesn’t contain the char...
Back to previous page with header( “Location: ” ); in PHP
...this may not work with secure pages (HTTPS) and it's a pretty bad idea overall as the header can be hijacked, sending the user to some other destination. The header may not even be sent by the browser.
Ideally, you will want to either:
Append the return address to the request as a query variable ...
Python's json module, converts int dictionary keys to strings
...which implement a __hash__ method. (The Lua docs suggest that it automatically uses the object's ID as a hash/key even for mutable objects and relies on string interning to ensure that equivalent strings map to the same objects).
In Perl, Javascript, awk and many other languages the keys for hash...
Convert hex string to int in Python
... 16)
With the 0x prefix, Python can distinguish hex and decimal automatically.
>>> print int("0xdeadbeef", 0)
3735928559
>>> print int("10", 0)
10
(You must specify 0 as the base in order to invoke this prefix-guessing behavior; omitting the second parameter means to assume ba...
Do sealed classes really offer performance Benefits?
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The JITter will sometimes use non-virtual calls to methods in sealed classes since there is no way they can be extended further.
There are complex rules regarding calling type, virtual/nonvirtual, and I don't know them all so I can't really outline them for you, but ...
How to remove the first and the last character of a string
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Here you go
var yourString = "/installers/";
var result = yourString.substring(1, yourString.length-1);
console.log(result);
Or you can use .slice as suggested by Ankit Gupta
var yourString = "/installers/services/";
var result = yourString....
How do I convert a Vector of bytes (u8) to a string
...("result: {}", s);
}
The conversion is in-place, and does not require an allocation. You can create a String from the string slice if necessary by calling .to_owned() on the string slice (other options are available).
The library reference for the conversion function:
std::str::from_utf8
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How do I get logs/details of ansible-playbook module executions?
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answered Sep 15 '13 at 0:23
Lorin HochsteinLorin Hochstein
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