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How do I install pip on macOS or OS X?
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UPDATE (Jan 2019):
easy_install has been deprecated. Please use get-pip.py instead:
curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
Old answer:
easy_install pip
If you need admin privileges to run this, try:
sudo easy_install pip...
HTML5 Canvas 100% Width Height of Viewport?
...es the text. You unfortunately have to use JS.
– i336_
May 10 '16 at 1:56
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PostgreSQL naming conventions
...valent convention is:
SQL keywords: UPPER CASE
names (identifiers): lower_case_with_underscores
For example:
UPDATE my_table SET name = 5;
This is not written in stone, but the bit about identifiers in lower case is highly recommended, IMO. Postgresql treats identifiers case insensitively whe...
Editing legend (text) labels in ggplot
... text in the legend, even though it's in my dataframe. I have tried scale_colour_manual , scale_fill_manual with different values for labels= such as c("T999", "T888")", "cols" .
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PHP Multidimensional Array Searching (Find key by specific value)
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Another poossible solution is based on the array_search() function. You need to use PHP 5.5.0 or higher.
Example
$userdb=Array
(
(0) => Array
(
(uid) => '100',
(name) => 'Sandra Shush',
(url) => 'urlof100'
),
(1) => Array
...
C/C++ NaN constant (literal)?
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In C, NAN is declared in <math.h>.
In C++, std::numeric_limits<double>::quiet_NaN() is declared in <limits>.
But for checking whether a value is NaN, you can't compare it with another NaN value. Instead use isnan() from <math.h> in C, or std::isnan() from <c...
java.lang.OutOfMemoryError: bitmap size exceeds VM budget - Android
... meminfo command. If you see heap usage increasing over a few gc cycles (GC_* log row in logcat) you can be pretty sure you have a leak. Then create a heap dump (or several at different times) via adb or DDMS and analyze it via the dominator tree tooling on Eclipse MAT. You should pretty soon find w...
Find and restore a deleted file in a Git repository
...mmit, this commit must have deleted it.
git rev-list -n 1 HEAD -- <file_path>
Then checkout the version at the commit before, using the caret (^) symbol:
git checkout <deleting_commit>^ -- <file_path>
Or in one command, if $file is the file in question.
git checkout $(git re...
Why should I use Google's CDN for jQuery?
...icrosoft - https://docs.microsoft.com/en-us/aspnet/ajax/cdn/overview#jQuery_Releases_on_the_CDN_0]2
jsDelivr - https://www.jsdelivr.com/package/npm/jquery
code.jquery.com (StackPath) - https://code.jquery.com/
Google - https://developers.google.com/speed/libraries/#jquery
But to sum it up, you are...
How do I make an asynchronous GET request in PHP?
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file_get_contents will do what you want
$output = file_get_contents('http://www.example.com/');
echo $output;
Edit: One way to fire off a GET request and return immediately.
Quoted from http://petewarden.typepad.com/searchbro...