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How to colorize diff on the command line?
...d recently, when running into the problem described above):
git diff --no-index <file1> <file2>
# output to console instead of opening a pager
git --no-pager diff --no-index <file1> <file2>
If you have Git around (which you already might be using anyway), then you will be ...
how to generate migration to make references polymorphic
...
How do you add index to the references column? Do I need to index that?
– mrudult
Apr 20 '14 at 18:20
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Tainted canvases may not be exported
... likely on your local drive!).
While testing try these workarounds:
Put all page related files (.html, .jpg, .js, .css, etc) on your desktop (not in sub-folders).
Post your images to a site that supports cross-domain sharing (like dropbox.com). Be sure you put your images in dropbox's public fol...
Rails params explained?
...e "1" and params[:boo] would be "octopus".
In HTTP/HTML, the params are really just a series of key-value pairs where the key and the value are strings, but Ruby on Rails has a special syntax for making the params be a hash with hashes inside. For example, if the user's browser requested
http://w...
Pandas count(distinct) equivalent
...col).strip() for col in grp_df.columns.values]
# if you wish to reset the index
grp_df.reset_index(inplace=True)
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How to replace all dots in a string using JavaScript
...toLowerCase();
while( (
i = str.toLowerCase().indexOf(
_token, i >= 0 ? i + newToken.length : 0
) ) !== -1
) {
str = str.substring( 0, i ) +
newToken +
str.substrin...
CPU指令集avx程序无法运行，运行崩溃 - C/C++ - 清泛网 - 专注C/C++及内核技术
...网查找：https://www.intel.com/content/www/us/en/docs/intrinsics-guide/index.html
因此，在写程序时需要区分开使用avx等指令优化还是普通版本的函数，不过这里不能使用宏，因为cpu指令即使不支持的情况下，__AVX__, __AVX2__, __AVX512F__ 等编译宏...
Use underscore inside Angular controllers
...lar-underscore-module
Add angular-underscore-module.js to your main file (index.html)
<script src="bower_components/angular-underscore-module/angular-underscore-module.js"></script>
Add the module as a dependency in your App definition
var myapp = angular.module('MyApp', ['underscore...
How to convert index of a pandas dataframe into a column?
...his seems rather obvious, but I can't seem to figure out how to convert an index of data frame to a column?
7 Answers
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Preventing an image from being draggable or selectable without using JS
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Worked on all browsers.
– Milad Abooali
Aug 21 '15 at 3:16
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