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Replacing some characters in a string with another character
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On *BSD (and thus, OSX), sed -E is (basically) equivalent to sed -r on many Linux distros, If you use sed 's/[xyz][xyz]*/_/g' you don't need the option. Of course, this is equivalent to tr -s xyz _ so no real need for sed here.
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What would be the Unicode character for big bullet in the middle of the character?
...Notepad, Large Circle is bigger than Medium. But not in Chrome on the same OS.
– bjornte
Dec 6 '19 at 10:17
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Can I run multiple programs in a Docker container?
... and mongo database. Normally I would install both in a VM and, forward a host port to the guest web app. I'd like to give Docker a try but I'm not sure how I'm meant to use more than one program. The documentations says there can only be only ENTRYPOINT so how can I have Mongo and my flask applicat...
Is there any way to enforce typing on NSArray, NSMutableArray, etc.?
...o seem to are programmers from other languages who are still thinking in those languages. If you only want objects of a given class in an array, only stick objects of that class in there. If you want to test that your code is behaving properly, test it.
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How do you implement a class in C? [closed]
...s which is a bit more flexible than you'd typically find in C++. Also, it costs memory. You could get away from that by stuffing the method pointers in a class structure, and invent a way for each object instance to reference a class.
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How to create a date and time picker in Android? [closed]
... only one baffled at the fact that Google doesn't even support one of the most widely used controls in any business applications out there?
– l46kok
Jan 5 '15 at 3:13
add a co...
Difference between android.app.Fragment and android.support.v4.app.Fragment
...ices running API 11 or above, you can use android.app.Fragment.
Edit: the OS-contained android.app.Fragment is now deprecated (as of API level 28), and everyone should move to using the support library implementations.
shar...
How to check command line parameter in “.bat” file?
My OS is Windows Vista. I need to have a ".bat" file where I need to check if user enters any command-line parameter or not. If does then if the parameter equals to -b then I will do something otherwise I will flag "Invalid input". If user does not enter any command-line parameter then I will d...
What does a just-in-time (JIT) compiler do?
What does a JIT compiler specifically do as opposed to a non-JIT compiler? Can someone give a succinct and easy to understand description?
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Difference between exit(0) and exit(1) in Python
... is available to the code that invoked Python. This convention applies across platforms, though the meaning of non-zero exit status can vary on different platforms.
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