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JavaScript equivalent of PHP’s die
... a = 1; // this is never run
};
a === 0;
You cannot break a block scope from within a function in the scope. This means you can't do stuff like:
foo: { // this doesn't work
(function() {
break foo;
}());
}
You can do something similar though with functions:
function myFunction() {myFu...
HTML5 Local storage vs. Session storage
Apart from being non persistent and scoped only to the current window, are there any benefits (performance, data access, etc) to Session Storage over Local Storage?
...
How to Remove Array Element and Then Re-Index Array?
... array_shift(). That will return the first element of the array, remove it from the array and re-index the array. All in one efficient method.
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How to estimate how much memory a Pandas' DataFrame will need?
...le, df is a dataframe with 814 rows, 11 columns (2 ints, 9 objects) - read from a 427kb shapefile
sys.getsizeof(df)
>>> import sys
>>> sys.getsizeof(df)
(gives results in bytes)
462456
df.memory_usage()
>>> df.memory_usage()
...
(lists each column at 8 bytes/row)
&...
javascript find and remove object in array based on key value
...ind an object in an array, where ID = var, and if found, remove the object from the array and return the new array of objects.
...
Wrapping synchronous code into asynchronous call
...cution using Task.Run, the content is ran in another thread, that is taken from the thread pool. Then there is no need at all to wrap blocking calls (such as mine call to service) into Runs, because they will always consume one thread each, that will be blocked during execution of the method. In suc...
RegEx to parse or validate Base64 data
...
From the RFC 4648:
Base encoding of data is used in many situations to store or transfer data in environments that, perhaps for legacy reasons, are restricted to US-ASCII data.
So it depends on the purpose of usage of t...
Disable webkit's spin buttons on input type=“number”?
...
It seems impossible to prevent spinners from appearing in Opera. As a temporary workaround, you can make room for the spinners.
As far as I can tell, the following CSS adds just enough padding, only in Opera:
noindex:-o-prefocus,
input[type=number] {
padding-r...
Heroku push rejected, no Cedar-supported app detected
...nch. My master branch didn't have requirements.txt.
I didn't want to push from master, but heroku only pays attention to the master branch. The solution was to push my local branch to heroku's master branch:
git push heroku local_branch:master
...
mysql Foreign key constraint is incorrectly formed error
...ble1 is the parent table with a column ID and table2 with a column IDFromTable1 (not the actual name) when I put a FK on IDFromTable1 to ID in table1 I get the error Foreign key constraint is incorrectly formed error . I would like to delete table 2 record if table1 record gets delet...