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How do I download a binary file over HTTP?
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143
The simplest way is the platform-specific solution:
#!/usr/bin/env ruby
`wget http://somedom...
How do I add a path to PYTHONPATH in virtualenv
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157
You can usually avoid having to do anything with PYTHONPATH by using .pth files. Just put a fi...
How to pause a YouTube player when hiding the iframe?
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14 Answers
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How to do a batch insert in MySQL
I have 1-many number of records that need to be entered into a table. What is the best way to do this in a query? Should I just make a loop and insert one record per iteration? Or is there a better way?
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How Big can a Python List Get?
In Python, how big can a list get? I need a list of about 12000 elements. Will I still be able to run list methods such as sorting, etc?
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How can I convert the “arguments” object to an array in JavaScript?
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21 Answers
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Hexadecimal To Decimal in Shell Script
... to do it in the shell or with an external program:
With bash:
$ echo $((16#FF))
255
with bc:
$ echo "ibase=16; FF" | bc
255
with perl:
$ perl -le 'print hex("FF");'
255
with printf :
$ printf "%d\n" 0xFF
255
with python:
$ python -c 'print(int("FF", 16))'
255
with ruby:
$ ruby -e '...
Difference between HEAD and master
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162
master is a reference to the end of a branch. By convention (and by default) this is usually t...
Declare and initialize a Dictionary in Typescript
...alization, like:
var persons: { [id: string] : IPerson; } = {};
persons["p1"] = { firstName: "F1", lastName: "L1" };
persons["p2"] = { firstName: "F2" }; // will result in an error
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Using Sass Variables with CSS3 Media Queries
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102
This is simply not possible. Since the trigger @media screen and (max-width: 1170px) happens o...