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PostgreSQL: How to pass parameters from command line?
...and then refer to the variables in sql as :v1, :v2 etc
select * from table_1 where id = :v1;
Please pay attention on how we pass string/date value using two quotes " '...' "
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JavaScript, Node.js: is Array.forEach asynchronous?
...ute a lot of code for each element, you should consider to use a different approach:
function processArray(items, process) {
var todo = items.concat();
setTimeout(function() {
process(todo.shift());
if(todo.length > 0) {
setTimeout(arguments.callee, 25);
...
Make Heroku run non-master Git branch
...epository
git pull https://heroku:YOUR_HEROKU_API_KEY@git.heroku.com/YOUR_APP_NAME.git
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iPhone SDK: what is the difference between loadView and viewDidLoad?
When working with views and view controllers in an iPhone app, can anyone explain the difference between loadView and viewDidLoad?
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How do I add 1 day to an NSDate?
...
@quemeful extension Date { func adding(_ component: Calendar.Component, _ value: Int) -> Date? { return Calendar.current.date(byAdding: component, value: value, to: self) } } usage Date().adding(.day, 1) // "Jun 6, 2019 at 5:35 PM"
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How to automatically crop and center an image
...can use background-size: cover; to get the image to shrink or fill the div appropriately while maintaining the original aspect ratio.
– Nick
Apr 30 '13 at 16:48
7
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Is there a way to list pip dependencies/requirements?
...3
├── idna<2.7,>=2.5 Internationalized Domain Names in Applications (IDNA)
└── urllib3<1.23,>=1.21.1 HTTP library with thread-safe connection pooling, file post, and more.
A more complex tree:
$ johnnydep ipython
name summary
--------...
What does SynchronizationContext do?
...ad that creates controls needs its own message loop (which gets started by Application.Run, IIRC). This is a fairly advanced topic and not something casually done.
– stakx - no longer contributing
Jan 24 '17 at 8:55
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Show spinner GIF during an $http request in AngularJS?
...);
//regular angular initialization continued below....
angular.module('myApp', [ 'myApp.directives', 'SharedServices']).
//.......
Here is the rest of it (HTML / CSS)....using
$('#mydiv').show();
$('#mydiv').hide();
to toggle it. NOTE: the above is used in the angular module at beginning o...
How to define a preprocessor symbol in Xcode
..., and select "Add User-Defined Setting". The new setting name should be GCC_PREPROCESSOR_DEFINITIONS, and you can type your definitions in the right-hand field.
Per Steph's comments, the full syntax is:
constant_1=VALUE constant_2=VALUE
Note that you don't need the '='s if you just want to #defi...