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Using `textField:shouldChangeCharactersInRange:`, how do I get the text including the current typed
...n worked: stackoverflow.com/questions/388237/… Basically, drag'n'drop from the UITextField into your code (to create a function), then right-click on your TextField, and drag'n'drop from the circle for the "Editing Changed" to your new function. (Sigh. I miss Visual Studio sometimes..)
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When you exit a C application, is the malloc-ed memory automatically freed?
...tack, delete static variables, etc, you would eventually crash your system from memory leaks or worse.
Interesting aside to this, crashes/breaks in Ubuntu, and I suspect all other modern OSes, do have problems with "handled' resources. Sockets, files, devices, etc. can remain "open" when a program ...
Output to the same line overwriting previous output?
... same code on Python 2.6+, put the following line at the top of the file:
from __future__ import print_function
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How to automatically convert strongly typed enum into int?
... That's another weird example of 'we know better what you want to do' from C++ creators. Conventional (old-style) enums had tons of benefits like implicit conversion to indexes, seamless using of bitwise operations etc.. The new style enums added a really great scoping thing, but... You cannot...
Getting the first and last day of a month, using a given DateTime object
...t day and last day of the month where a given date lies in. The date comes from a value in a UI field.
15 Answers
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What generates the “text file busy” message in Unix?
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@FelipeValdes The name is historical from the terminology of a half century ago. For example, in multics the text segment of a program was distinct from the link segment, and even earlier people talked about binary text. stackoverflow.com/a/1282540/833300
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Index all *except* one item in python
...ething similar can be achieved using itertools without numpy
>>> from itertools import compress
>>> arr = range(1,10)
>>> mask = [1]*len(arr)
>>> mask[5]=0
>>> list(compress(arr,mask))
[1, 2, 3, 4, 5, 7, 8, 9]
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How do I partially update an object in MongoDB so the new object will overlay / merge with the exist
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The best solution is to extract properties from object and make them flat dot-notation key-value pairs. You could use for example this library:
https://www.npmjs.com/package/mongo-dot-notation
It has .flatten function that allows you to change object into flat set ...
Pandas count(distinct) equivalent
...This is the incorrect answer; it does not reflect the DISTINCT requirement from the question! Moreover, it does not include counts of NaN!
– Corey Levinson
Jan 23 '19 at 20:03
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Adding a directory to $LOAD_PATH (Ruby)
... I obviously thought that $LOAD_PATH was better. But once you've graduated from beginner status, I'd only use $LOAD_PATH if I was trying to make my code more readable to a beginner. Meh its a trade off. It depends on how "public" the code is, so long as the memory usage is the same for each, which I...