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How do I run a batch script from within a batch script?
... the current batch file, and it will wait until the CALLed one completes.
If you don't want it to block, use START instead.
Get the nitty-gritty details by using CALL /? or START /? from the cmd prompt.
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Should I always use a parallel stream when possible?
...verhead compared to a sequential one. Coordinating the threads takes a significant amount of time. I would use sequential streams by default and only consider parallel ones if
I have a massive amount of items to process (or the processing of each item takes time and is parallelizable)
I have a per...
Is it possible to read the value of a annotation in java?
...
Yes, if your Column annotation has the runtime retention
@Retention(RetentionPolicy.RUNTIME)
@interface Column {
....
}
you can do something like this
for (Field f: MyClass.class.getFields()) {
Column column = f.getAnno...
Activity has leaked ServiceConnection @438030a8 that was original
... only a presumption, but it looks like the kind of problem you'd be seeing if you were using the bindService method on it's own.
To ensure a service is kept running, even after the activity that started it has had its onDestroy method called, you should first use startService.
The android docs for...
Linux delete file with size 0 [duplicate]
How do I delete a certain file in linux if its size is 0. I want to execute this in an crontab without any extra script.
8 ...
Parse (split) a string in C++ using string delimiter (standard C++)
...returns the position of the first occurrence of str in the string, or npos if the string is not found.
The substr(size_t pos = 0, size_t n = npos) function returns a substring of the object, starting at position pos and of length npos.
If you have multiple delimiters, after you have extracted on...
How to compare two floating point numbers in Bash?
...niently
This can be done more conveniently using Bash's numeric context:
if (( $(echo "$num1 > $num2" |bc -l) )); then
…
fi
Explanation
Piping through the basic calculator command bc returns either 1 or 0.
The option -l is equivalent to --mathlib; it loads the standard math library.
En...
java.lang.IllegalStateException: Cannot (forward | sendRedirect | create session) after response has
...gnoring the remnant of the code. For example:
protected void doXxx() {
if (someCondition) {
sendRedirect();
}
forward(); // This is STILL invoked when someCondition is true!
}
This is thus actually not true. They do certainly not behave differently than any other Java methods (e...
How to get the nth occurrence in a string?
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I would have been good if you specified what each parameter meant.
– Foreever
Jun 10 '14 at 8:49
1
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When should I use Write-Error vs. Throw? Terminating vs. non-terminating errors
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Write-Error should be used if you want to inform the user of a non-critical error. By default all it does is print an error message in red text on the console. It does not stop a pipeline or a loop from continuing. Throw on the other hand produces what...