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Ternary operator is twice as slow as an if-else block?
...duced by the X86 and X64 JITs for each of these cases.
X86, if/then
32: foreach (int i in array)
0000007c 33 D2 xor edx,edx
0000007e 83 7E 04 00 cmp dword ptr [esi+4],0
00000082 7E 1C jle 000000A0
00000084 8B 44 ...
How do I draw a shadow under a UIView?
...hat I should use CGContextSetShadow() to draw the shadow, but the Quartz 2D programming guide is a little vague:
16 Answe...
How to count the number of true elements in a NumPy bool array
...
265
You have multiple options. Two options are the following.
numpy.sum(boolarr)
numpy.count_nonz...
Redirecting Output from within Batch file
...r to End-Of-File multiple times.
@echo off
command1 >output.txt
command2 >>output.txt
...
commandN >>output.txt
A better way - easier to write, and faster because the file is opened and positioned only once.
@echo off
>output.txt (
command1
command2
...
commandN
)
Ano...
Oracle Differences between NVL and Coalesce
...
COALESCE is more modern function that is a part of ANSI-92 standard.
NVL is Oracle specific, it was introduced in 80's before there were any standards.
In case of two values, they are synonyms.
However, they are implemented differently.
NVL always evaluates both arguments, whil...
How do I get bit-by-bit data from an integer value in C?
... |
edited Jan 9 '16 at 4:21
Ashish Ahuja
4,70099 gold badges4343 silver badges6161 bronze badges
answer...
Getting value of select (dropdown) before change
... is changed I want the value of the dropdown before change. I am using 1.3.2 version of jQuery and using on change event but the value I am getting over there is after change.
...
jar not loaded. See Servlet Spec 2.3, section 9.7.2. Offending class: javax/servlet/Servlet.class
...
12 Answers
12
Active
...
Insert a line at specific line number with sed or awk
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243
sed -i '8i8 This is Line 8' FILE
inserts at line 8
8 This is Line 8
into file FILE
-i d...
Best way to split string into lines
... |
edited Apr 3 '18 at 8:42
answered Oct 2 '09 at 7:53
Konr...