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JavaScript, elegant way to check nested object properties for null/undefined [duplicate]
a "problem" which i have every now and then is that i have an object e.g. user = {} and through the course of using the app this gets populated. Let's say somwhere, after an AJAX call or something i do this:
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Remove characters except digits from string using Python?
... up by 7-8 times is hardly peanuts, so the translate method is well worth knowing and using. The other popular non-RE approach...:
$ python -mtimeit -s'x="aaa12333bb445bb54b5b52"' '"".join(i for i in x if i.isdigit())'
100000 loops, best of 3: 11.5 usec per loop
is 50% slower than RE, so the .tra...
how to get GET and POST variables with JQuery?
...to emit is actually empty, you will get a javascript syntax error. If you know it's a string, you should wrap it in quotes. If it's an integer, you may want to test to see if it actually exists before writing the line to javascript.
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Python: changing value in a tuple
...ume that the original poster is creating all of this from scratch doesn't know any better. More often we are dealing with output from another module or data source in a format or type that we cant control.
– rtphokie
Jan 6 '18 at 17:15
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Difference between Visual Basic 6.0 and VBA
...e is something like a Printer object in VB6 that's not in VBA and I don't know why that is. Otherwise, I believe there are no differences in the base languages.
– Dick Kusleika
Jun 14 '09 at 21:39
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Insert into a MySQL table or update if exists
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I know all of you allude to this, but I want to be explicit for others. If the ID you insert is NOT the PRIMARY KEY or UNIQUE, then this will not work. This didn't initially work for me because my ID was not unique.
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How to detect that animation has ended on UITableView beginUpdates/endUpdates?
...TableView). I've decided to use performSelector:withObject:afterDelay: for now. Not ideal, but gets the job done.
UPDATE: It looks like I can use scrollViewDidEndScrollingAnimation: for this purpose (this is specific to my implementation, see comment).
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augmented reality framework [closed]
...o develop an augmented reality application for Android phone. Does anyone know if there is any existing framework for augmented reality which could be used for such applications?
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How can I do an asc and desc sort using underscore.js?
I am currently using underscorejs for sort my json sorting. Now I have asked to do an ascending and descending sorting using underscore.js. I do not see anything regarding the same in the documentation. How can I achieve this?
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Google Chrome form autofill and its yellow background
... there is error, i dont maybe syntax changed but this works now: box-shadow: inset 0 0 0 1000px white !important;
– Muhammad Umer
Apr 1 '16 at 2:08
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