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Remove blank attributes from an Object in Javascript
...an loop through the object:
var test = {
test1 : null,
test2 : 'somestring',
test3 : 3,
}
function clean(obj) {
for (var propName in obj) {
if (obj[propName] === null || obj[propName] === undefined) {
delete obj[propName];
}
}
}
clean(test);
If you're concerned ab...
Do AJAX requests retain PHP Session info?
... requests, and they both contain cookie information in the header in the same way.
From the client side, the same cookies will always be sent to the server whether it's a regular request or an AJAX request. The Javascript code does not need to do anything special or even to be aware of this happen...
How do I delete unpushed git commits?
... edited Oct 3 '16 at 11:44
Armen
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answered Jul 7 '10 at 17:50
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How to sort the result from string_agg()
...
Thanks for the link. Searching string_agg in the documentation doesn’t take you there.
– Manngo
Aug 18 '19 at 5:53
add a comment
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Getting the first character of a string with $str[0]
... generally used with arrays. This feature doesn't seem to be very well documented so I'm turning to you guys to tell me if it's all right – in all respects – to use this notation?
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install / uninstall APKs programmatically (PackageManager vs Intents)
...tem applications can use it. (This is because it is the low-level install mechanism, after the permissions have been approved by the user, so it is not safe for regular applications to have access to.)
Also the installPackage() function arguments have often changed between platform releases, so an...
What is the difference between t.belongs_to and t.references in rails?
...d t.belongs_to ?
Why are we having those two different words? It seems to me they do the same thing?
Tried some Google search, but find no explanation.
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How to mock an import
...import sys
sys.modules['B'] = __import__('mock_B')
import A
print(A.B.__name__)
A.py:
import B
Note B.py does not exist, but when running test.py no error is returned and print(A.B.__name__) prints mock_B. You still have to create a mock_B.py where you mock B's actual functions/variables/etc. ...
Specify pane percentage in tmuxinator project
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tmux list-windows gave me the following output ( gist.github.com/2324001 ). How would the tmuxinator layout line look according to that output ?
– Goles
Apr 6 '12 at 23:38
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mysqli or PDO - what are the pros and cons? [closed]
...lace we're split between using mysqli and PDO for stuff like prepared statements and transaction support. Some projects use one, some the other. There is little realistic likelihood of us ever moving to another RDBMS.
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