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Whitespace Matching Regex - Java
...tegory=Control.
White space is a pretty stable property, and those same ones have been around virtually forever. Even so, Java has no property that conforms to The Unicode Standard for these, so you instead have to use code like this:
String whitespace_chars = "" /* dummy empty string fo...
How to create new tmux session if none exists
...mux session if a named tmux session exists, if not I want to create a new one with the given name.
7 Answers
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How to iterate through SparseArray?
...id) ? I used sparsearray to easily get values by index. I could not find one.
10 Answers
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How can I turn a List of Lists into a List in Java 8?
...
Just as @Saravana mentioned:
flatmap is better but there are other ways to achieve the same
listStream.reduce(new ArrayList<>(), (l1, l2) -> {
l1.addAll(l2);
return l1;
});
To sum up, there are several ways to ach...
Is there any way to delete local commits in Mercurial?
...d the following to it:
[extensions]
strip =
Note that (as Juozas mentioned in his comment) having multiple heads is normal workflow in Mercurial. You should not use the strip command to battle that. Instead, you should merge your head with the incoming head, resolve any conflicts, test, and the...
What is an Android PendingIntent?
...the Android Documentation but I still need some more clarification. Can anyone tell me what exactly a PendingIntent is?
1...
How do I check if file exists in Makefile so I can delete it?
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Great use of wildcard, so it can be done with makefile itself. Neat :)
– anoop
Aug 3 '17 at 21:48
3
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Why is Github asking for username/password when following the instructions on screen and pushing a n
... You can change this option by clicking the button where you copy your clone url.
– Derek Adair
Dec 16 '14 at 2:57
F...
Create array of regex matches
...n use allMatches.toArray(new String[0]) to get an array if you really need one.
You can also use MatchResult to write helper functions to loop over matches
since Matcher.toMatchResult() returns a snapshot of the current group state.
For example you can write a lazy iterator to let you do
for (M...
How can I find script's directory with Python? [duplicate]
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I encountered one problem with this solution. I'm building a large program named foo where the main script is called __main__.py and resides in the foo directory. I can either invoke my program by running python foo/__main__.py or simply p...