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Swift - which types to use? NSString or String
...e String from repeating values:
let repeatingString = String(repeating:"123", count:2) // "123123"
In Swift 4 -> Strings Are Collection Of Characters:
Now String is capable of performing all operations which anyone can
perform on Collection type.
For more information please refer a...
Are there any Java method ordering conventions? [closed]
...
123
Class (static) variables: First the public class variables, then the
protected, and then the ...
How to compare two floating point numbers in Bash?
...result back to the shell in a proper, machine-readable way. if awk -v n1="123.456" -v n2="3.14159e17" 'BEGIN { exit (n1 <= n2) }' /dev/null; then echo bigger; else echo not; fi ... though note how the condition is inverted (the exit status 0 means success to the shell).
– t...
Is it possible to forward-declare a function in Python?
...
Borodin
123k99 gold badges6464 silver badges134134 bronze badges
answered Oct 19 '09 at 19:36
RichNRichN
...
Create nice column output in python
...
123
data = [['a', 'b', 'c'], ['aaaaaaaaaa', 'b', 'c'], ['a', 'bbbbbbbbbb', 'c']]
col_width = max(...
Format date and time in a Windows batch script
...: 20140.01_131612 , must be(2014.10.26_131612)
– waza123
Oct 26 '14 at 11:16
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Difference between CC, gcc and g++?
...nd later c99 to exist; these are the compilers compatible with the ISO/IEC 9899:1989 and 9899:1999 C standards. It is doubtful that POSIX succeeded.
The question asks about the differences in terms of features and libraries. As before, the answer is platform specific in part, and generic in par...
Python Pandas: Get index of rows which column matches certain value
...ool (PS: about how to use it please check link )
df.query('BoolCol')
Out[123]:
BoolCol
10 True
40 True
50 True
After we filter the original df by the Boolean column we can pick the index .
df=df.query('BoolCol')
df.index
Out[125]: Int64Index([10, 40, 50], dtype='int64')
Als...
Why are hexadecimal numbers prefixed with 0x?
...h is nicely divisible by 3 = log2(8).
The BCPL language used the syntax 8 1234 for octal numbers. When Ken Thompson created B from BCPL, he used the 0 prefix instead. This is great because
an integer constant now always consists of a single token,
the parser can still tell right away it's got a c...
Check if table exists without using “select from”
...ny errors. This should be the accepted answer.
– vaso123
Mar 10 '17 at 0:06
1
Note that on a TEMP...