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Generate a Hash from string in Javascript
... is faster, because my version has to turn the string into an array first, allocating new memory and copying every character...
– lordvlad
Feb 22 '15 at 10:04
5
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Difference between map, applymap and apply methods in Pandas
... function that cannot be vectorised (e.g., df['sentences'].apply(nltk.sent_tokenize))
Summarising
Footnotes
map when passed a dictionary/Series will map elements based on the keys in that dictionary/Series. Missing values will be recorded as
NaN in the output.
applymap in mo...
Regex to get string between curly braces
... based on the language you work in. Javascript takes the index to stop at, PHP takes the length of the desired end result (unless it's negative, in which case it takes the number of characters to remove), C# is different again...nice and confusing.
– jvenema
Ja...
Listing only directories in UNIX
...y, even if the -F option of ls isn't used. Similar to the behaviour of ls *php and how it displays all files ending with php in a directory.
– David Hancock
Oct 18 '13 at 15:24
3
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Django: How do I add arbitrary html attributes to input fields on a form?
...class="md-form" action="." enctype="multipart/form-data">
{% csrf_token %}
{% for field in form %}
<div class="row">
<div class="col-md-12">
<div class="form-group row">
<label for="" class="col-sm-4 col-form-label {% if field.f...
How to build Qt for Visual Studio 2010
...elow link and it might be useful
1)https://www.slicer.org/slicerWiki/index.php/Documentation/Nightly/Developers/Build_Instructions/Prerequisites/Qt#Windows_3
2)http://eecs.vanderbilt.edu/research/hmtl/wp/index.php/qt-vs/
sha...
C# 能否获取一个对象所占内存的大小？ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...e or SOS (son-of-strike) shows you how objects are laid out. Or you could allocate two objects and then use unverifiable operations to subtract the addresses. 99.9% of the time, the two objects will be adjacent. You can also use a managed profiler to get a sense of how much memory is consumed by i...
Gzip versus minify
... jQuery and MooTools (the uncompressed versions) using my Fat-Free Minify (PHP) code (just plain stripping off whitespaces and comments, no shortening of variables, no baseX-encoding)
Here are the results of minify vs. gzip (at conservative level-5 compression) vs. minify+gzip:
MooTools-Core
-----...
How to get root access on Android emulator?
...an find su and superuser here : http://forum.xda-developers.com/showthread.php?t=682828.
You need to run these commands each time you launch the emulator. You can write a script that launch the emulator and root it.
share
...
Generating statistics from Git repository [closed]
...tat (SourceForge) project (web-based git statistics interface), written in PHP and Perl,
Git Statistics, aka gitstats (metrics framework designed to gather statistics on git repositories), written in Python, result of git-statistics project at Google Summer of Code 2008 This is not a web app
gitinsp...