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Array slicing in Ruby: explanation for illogical behaviour (taken from Rubykoans.com)
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10 Answers
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Adding a new array element to a JSON object
...Object, then stringify back to JSON
var jsonStr = '{"theTeam":[{"teamId":"1","status":"pending"},{"teamId":"2","status":"member"},{"teamId":"3","status":"member"}]}';
var obj = JSON.parse(jsonStr);
obj['theTeam'].push({"teamId":"4","status":"pending"});
jsonStr = JSON.stringify(obj);
// "{"theTeam...
Is it possible to make anonymous inner classes in Java static?
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138
No, you can't, and no, the compiler can't figure it out. This is why FindBugs always suggests ...
Simpler way to create dictionary of separate variables?
...) for name in ['some','list','of','vars'] )
Example
>>> some= 1
>>> list= 2
>>> of= 3
>>> vars= 4
>>> dict( (name,eval(name)) for name in ['some','list','of','vars'] )
{'list': 2, 'some': 1, 'vars': 4, 'of': 3}
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Rounding float in Ruby
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182
When displaying, you can use (for example)
>> '%.2f' % 2.3465
=> "2.35"
If you wan...
Difference between return and exit in Bash functions
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10 Answers
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How does one make random number between range for arc4random_uniform()?
... for access to arc4random_uniform(UInt32). I attempted using the range of (1..7) to avoid randomly getting 0 however that returned an error which I didn't enjoy too much. I tried to do this:
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Grep only the first match and stop
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-m 1 means return the first match in any given file. But it will still continue to search in other files. Also, if there are two or more matched in the same line, all of them will be displayed.
You can use head -1 to solve this...
Determine installed PowerShell version
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19 Answers
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How to apply multiple transforms in CSS?
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1047
You have to put them on one line like this:
li:nth-child(2) {
transform: rotate(15deg) t...