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How to check if the string is empty?
...ould also enter the if not myString: block if myString were None, 0, False etc. So if you aren't sure what type myString is, you should use if myString == "": to determine if it is an empty string as opposed to some other falsy value.
– Andrew Clark
Aug 7 '13 ...
Encoding URL query parameters in Java
... find only expose public methods to encode the query, fragment, path parts etc. - but don't expose the "raw" encoding. This is unfortunate as fragment and query are allowed to encode space to +, so we don't want to use them. Path is encoded properly but is "normalized" first so we can't use it for '...
How would you access Object properties from within an object method? [closed]
...uent objects;Pen.dispenseInkOnto(Surface) makes more sense to me than Pen.getColor().
Getters and setters also encourage users of the class to ask the object for some data, perform a calculation, and then set some other value in the object, better known as procedural programming. You'd be better se...
How to determine whether a given Linux is 32 bit or 64 bit?
...et your specific machine hardware name run
uname -m
You can also call
getconf LONG_BIT
which returns either 32 or 64
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What is :: (double colon) in Python when subscripting sequences?
...y see what is happening, you need to coerce the range to a list, np.array, etc.
– PikalaxALT
Sep 19 '14 at 0:54
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Can a for loop increment/decrement by more than one?
...ep size. For instance, i++ means increment by 1. i+=2 is same as i=i+2,... etc.
Example:
let val= [];
for (let i = 0; i < 9; i+=2) {
val = val + i+",";
}
console.log(val);
Expected results: "2,4,6,8"
'i' can be any floating point or whole number depending on the desired step size.
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How to convert an NSTimeInterval (seconds) into minutes
...rt your NSTimeInterval not only to minutes but also to days, months, week, etc,... I think this is a more generic approach
Use NSCalendar method:
(NSDateComponents *)components:(NSUInteger)unitFlags fromDate:(NSDate *)startingDate toDate:(NSDate *)resultDate options:(NSUInteger)opts
"Returns, as a...
Add vertical whitespace using Twitter Bootstrap?
...
Thanks. I now have created some spacer10, spacer50, etc classes for this use. I see there is a feature request in github for this already: bit.ly/R9oap9
– Ryan
Sep 5 '12 at 18:34
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How to calculate the number of days between two dates? [duplicate]
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But if you drop the hours etc., why would you still use UTC?
– Rudey
Oct 30 '14 at 8:56
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Which is better, return “ModelAndView” or “String” on spring3 controller
...re any difference in the way Spring process it like prepending contextpath etc..
– Keerthivasan
Aug 2 '14 at 16:48
ple...