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Evaluate if list is empty JSTL
I've been trying to evaluate if this array list is empty or not but none of these have even compiled:
2 Answers
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Python: json.loads returns items prefixing with 'u'
... Python
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object dict
array list
string unicode
number (int) int, long
number (real) float
true True
false False
null None
"encoding ...
UITableView : viewForHeaderInSection: not called during reloadData:
...you, it's so stupid of me i created my instances but I didn't append to my array
– Happiehappie
Nov 1 '16 at 3:15
4
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Difference between del, remove and pop on lists
...ote: in python, due to the way the lists are implemented(there practically arrays...!), "Advance till that node position" is O(1)
– ntg
Nov 28 '18 at 11:14
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Swift - which types to use? NSString or String
...but I assume some version of what was stated above will also hold true for Array/NSArray, Dictionary/NSDictionary, and the various number types in Swift and NSNumber
Whenever you need to use one of the Foundation types, you can either use them to type variables/constants explicitly, as in var str: ...
Correctly determine if date string is a valid date in that format
... This assumes there are at least 3 elements in the $tempDate array.
– person27
Mar 8 '17 at 1:30
2
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Real-world examples of recursion [closed]
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A state array and a low can speed this up.
– BCS
Sep 19 '08 at 21:49
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Scala: write string to file in one statement
... perfectly. It just cannot filter anything - Files.write() writes the byte array as a blob, without analyzing its contents. After all, in some binary data 0x0d byte may have important meaning other than newline.
– Vladimir Matveev
Mar 12 '16 at 7:46
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How can we programmatically detect which iOS version is device running on? [duplicate]
...5 (float or int), for comparing precisely, you will have to separate it to array of INTs
check accepted answer here: Check iPhone iOS Version
NSString *ver = [[UIDevice currentDevice] systemVersion];
int ver_int = [ver intValue];
float ver_float = [ver floatValue];
and compare like this
NS...
Generate list of all possible permutations of a string
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You might want to use char arrays instead of strings to make this run faster since strings are immutable in java.
– Abhijeet Kashnia
Jul 1 '12 at 7:06
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