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Convert String to double in Java
...l characters that aren't a number or . to nothing, leaving only the number and decimal point to be parsed.
– WhiteFang34
Apr 24 '11 at 10:01
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Finding what branch a Git commit came from
...e commit was made, the best you can do in this case is examine the reflogs and find when the commit was first introduced to your repository; with any luck, you fetched the branch it was committed to. This is a bit more complex, because you can't walk both the commit tree and reflogs simultaneously. ...
Useful example of a shutdown hook in Java?
...ying to make sure my Java application takes reasonable steps to be robust, and part of that involves shutting down gracefully. I am reading about shutdown hooks and I don't actually get how to make use of them in practice.
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Python: What OS am I running on?
...wered Aug 5 '08 at 3:27
Louis BrandyLouis Brandy
15.1k33 gold badges3333 silver badges2929 bronze badges
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Why is the console window closing immediately once displayed my output?
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Because it's finished. When console applications have completed executing and return from their main method, the associated console window automatically closes. This is expected behavior.
If you want to keep it open for debugging purposes, you'll need to instruct the computer to wait for a key pre...
Remove not alphanumeric characters from string
...\\red\\bob\\fred\\new".replace(/\W/g, '')
"testredbobfrednew" // output
Handling malformed strings
If you're not able to escape the input string correctly (why not?), or it's coming from some kind of untrusted/misconfigured source - you can do something like this:
JSON.stringify("\\test\red\bob\...
Determining if an Object is of primitive type
I have an Object[] array, and I am trying to find the ones that are primitives. I've tried to use Class.isPrimitive() , but it seems I'm doing something wrong:
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Draw multi-line text to Canvas
...es... I'd like to write multi-line text to a custom View via a Canvas , and in onDraw() I have:
16 Answers
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Why would json_encode return an empty string
...conv() or mb_convert_encoding() may be better options as noted in comments and other solutions.
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How do I time a method's execution in Java?
... of the searches on Google return results for timers that schedule threads and tasks, which is not what I want.
40 Answers
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