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How do I get the first n characters of a string without checking the size or going out of bounds?
... spaces).
Then you don't have to worry about it in your code at all, just call:
String s2 = substring_safe (s, 10, 7);
instead of:
String s2 = s.substring (10,7);
This would work in the case that you seem to be worried about (based on your comments to other answers), not breaking the flow of ...
Displaying a message in iOS which has the same functionality as Toast in Android
...n Android. That is, I need to display a message which is dismissed automatically after few seconds. This is similar to the functionality of the Toast class in the Android environment.
...
How does one get started with procedural generation?
...ven shader coding a go yourself, as the code there is not for the mathematically squeamish, but that is how procedural content is done.
Shadertoy was created by a procedural genius, Inigo Quilez, a product of the demo scene who works at Pixar. He has some youtube videos (great example) of live c...
JavaScript: How do I print a message to the error console?
...ll cases, you need to have the debugger window open at the time, otherwise calls to console will generate errors.
– Spudley
Feb 10 '11 at 14:59
2
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Is there an exponent operator in C#?
...do in most programs, and
it doesn't seem justified to add an
operator when calling Math.Pow() is
simple.
You asked:
Do I have to write a loop or include
another namespace to handle
exponential operations? If so, how do
I handle exponential operations using
non-integers?
Math.Pow supports double ...
Emacs mode for Stack Overflow's markdown
...ven better, an extension for Org-mode to handle Stack Overflow formatting? Ideally it should include all formatting options supported by the markdown syntax used in the Stack Overflow question/comment buffers.
...
Get current time in seconds since the Epoch on Linux, Bash
...sarily good/portable. It seems that implementations of awk srand() are typically seeded with the current date/time. The second call to srand() returns the value previously used as the seed.
– Ryan Ransford
Jul 28 '17 at 13:41
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How to force push a reset to remote repository?
...you do a git config for a server? Or perhaps you were using that metaphorically. To play with these ideas I created a test repo in /opt/git (my git server space) and then I modified this setting in /opt/git/the_repo/the_repo.git/config. But once done the git push --force origin SHA:branch worked ...
How do I move forward and backward between commits in git?
...
Great answer! Modified to automatically specify current branch: stackoverflow.com/a/23172256/480608
– Raine Revere
Apr 19 '14 at 16:08
...
Pretty-print an entire Pandas Series / DataFrame
...): # more options can be specified also
print(df)
This will automatically return the options to their previous values.
If you are working on jupyter-notebook, using display(df) instead of print(df) will use jupyter rich display logic (like so).
...