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How do I check that a Java String is not all whitespaces?
I want to check that Java String or character array is not just made up of whitespaces, using Java?
15 Answers
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Select by partial string from a pandas DataFrame
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Based on github issue #620, it looks like you'll soon be able to do the following:
df[df['A'].str.contains("hello")]
Update: vectorized string methods (i.e., Series.str) are available in pandas 0.8.1 and up.
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How to get JavaScript caller function line number? How to get JavaScript caller source URL?
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This works for me in chrome/QtWebView
function getErrorObject(){
try { throw Error('') } catch(err) { return err; }
}
var err = getErrorObject();
var caller_line = err.stack.split("\n")[4];
var index = caller_line.indexOf...
In MVVM should the ViewModel or Model implement INotifyPropertyChanged?
...tyChanged, that stuff should sit in the ViewModel.
I'm sure others would disagree, but that's the way I work.
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PHP Multidimensional Array Searching (Find key by specific value)
I have this multidimensional array. I need to search it and return only the key that matches the value of the "slug". I know there are other threads about searching multidimensional arrays, but I'm not really understanding enough to apply to my situation. Thanks very much for any help!
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What unique features does Firebug have that are not built-in to Firefox?
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Firefox's native developer tools have come a long way since this question was
written. The differences have mainly reduced to the following points:
Can't stop the script execution on DOM mutations, XHRs, or cookie changes.
XPaths can't be copied.
Missing an events side panel in the In...
Why split the tag when writing it with document.write()?
Why do some sites (or advertisers that give clients javascript code) employ a technique of splitting the <script> and/or </script> tags up within document.write() calls?
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How to get the last day of the month?
Is there a way using Python's standard library to easily determine (i.e. one function call) the last day of a given month?
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What is a sealed trait?
...ase object No extends Answer
The compiler will emit a warning if a match is not exhaustive:
scala> val x: Answer = Yes
x: Answer = Yes
scala> x match {
| case No => println("No")
| }
<console>:12: warning: match is not exhaustive!
missing combination Yes
S...
How do I clear the std::queue efficiently?
I am using std::queue for implementing JobQueue class. ( Basically this class process each job in FIFO manner).
In one scenario, I want to clear the queue in one shot( delete all jobs from the queue).
I don't see any clear method available in std::queue class.
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