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How do I install pip on macOS or OS X?
...):
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
...
Paperclip::Errors::MissingRequiredValidatorError with Rails 4
...)
You might also have to deal with the spoofing validation explained here https://stackoverflow.com/a/23846121
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format date with moment.js
...ment(testDate).format('MM/DD/YYYY');
msg.innerText= s;
<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.24.0/moment.min.js"></script>
<div id="msg"></div>
to omit this warning you should provide parsing format
var testDate= "Fri Apr 12 2013 1...
How do browsers pause/change Javascript when tab or window is not active?
...val for background tabs.
const double kBackgroundTabTimerInterval = 1.0;
https://codereview.chromium.org/6546021/patch/1001/2001
Firefox
Similar to Chrome, Firefox limits the minimum interval of setInterval to around 1000ms when the tab (not the window) is inactive. However, requestAnimationFrame...
Hide/Show Column in an HTML Table
...st('th,td')
var $table = $btn.closest('table')
// get cell location - https://stackoverflow.com/a/4999018/1366033
var cellIndex = $cell[0].cellIndex + 1;
$table.find(".show-column-footer").show()
$table.find("tbody tr, thead tr")
.children(":nth-child("+cellIndex+")")
.hi...
GCM with PHP (Google Cloud Messaging)
...o World!');
// The recipient registration tokens for this notification
// https://developer.android.com/google/gcm/
$ids = array('abc', 'def');
// Send push notification via Google Cloud Messaging
sendPushNotification($data, $ids);
function sendPushNotification($data, $ids) {
// Insert re...
Mapping enum to string in hibernate
...sufficient for PostgreSQL. I attach the implementation that worked for me:
https://stackoverflow.com/a/64021041/5279996
GL
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Custom sort function in ng-repeat
...er not only a string but also a function. From the orderBy documentation: https://docs.angularjs.org/api/ng/filter/orderBy):
function: Getter function. The result of this function will be sorted
using the <, =, > operator.
So, you could write your own function. For example, if you wou...
Maximum concurrent Socket.IO connections
...ent connections.
This is a short gist I made, similar to the test I used: https://gist.github.com/jmyrland/5535279
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How can I append a string to an existing field in MySQL?
...ld to add full URL, ignoring null fields:
UPDATE test SET image = CONCAT('https://my-site.com/images/',image) WHERE image IS NOT NULL;
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