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#define macro for debug printing in C?
...e when DEBUG is 0.
If you want to work with #ifdef DEBUG, then change the test condition:
#ifdef DEBUG
#define DEBUG_TEST 1
#else
#define DEBUG_TEST 0
#endif
And then use DEBUG_TEST where I used DEBUG.
If you insist on a string literal for the format string (probably a good idea anyway), you ca...
Code Golf: Collatz Conjecture
..., eax
push eax
push msg
.loop:
mov [esp+0x04], ebx
call printf
test ebx, 0x01
jz .even
.odd:
lea ebx, [1+ebx*2+ebx]
jmp .loop
.even:
shr ebx, 1
cmp ebx, 1
jne .loop
push ebx
push end
call printf
add esp, 16
xor eax, eax
ret
.usage:
mov ebx, [esp+0x08]
pu...
How to count the number of files in a directory using Python
...
os.listdir() will be slightly more efficient than using glob.glob. To test if a filename is an ordinary file (and not a directory or other entity), use os.path.isfile():
import os, os.path
# simple version for working with CWD
print len([name for name in os.listdir('.') if os.path.isfile(name...
How to make a div with no content have a width?
...e content of the div will take no room but will force the div to display
.test1::before{
content: "\200B";
}
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How to check 'undefined' value in jQuery
...ks because val always exists (it's a function argument).
If you wanted to test an arbitrary variable that is not an argument, i.e. might not be defined at all, you'd have to use if(typeof val === 'undefined') to avoid an exception in case val didn't exist.
...
How do I target only Internet Explorer 10 for certain situations like Internet Explorer-specific CSS
...an be spoofed.
To target Internet Explorer 9, 10 and 11 (Note: also the latest Chrome):
@media screen and (min-width:0\0) {
/* Enter CSS here */
}
To target Internet Explorer 10:
@media all and (-ms-high-contrast: none), (-ms-high-contrast: active) {
/* IE10+ CSS here */
}
To target ...
Animated GIF in IE stopping
...erted, and for some reason it is not affected by the ie animation issues.
Tested in Firefox, ie6, ie7 and ie8.
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VS2005混合编译ARM汇编代码 - C/C++ - 清泛网 - 专注C/C++及内核技术
...（以Larry Bank的code为例）
ARM汇编代码，文件命名为armtest.asm：
; TITLE("Sample App")
;++
AREA sample, CODE, READONLY ; name this block of code
EXPORT TEST
IMPORT iGlobal
;
; Called from C as int ARMTEST1(int, int, int, int);
; The first 4 par...
【解决】File does not reside within any path specified using proto_pat...
...pecified-using-proto-path使用protoc编译 proto文件时报错： main test test proto: File does not reside within any path specified using --proto_path (or -I) You must specify 使用protoc编译.proto文件时报错：
../main/test/test.proto: File does not reside within any path spec...
Event on a disabled input
...nput (+ script) should be
<input type="text" readonly="readonly" name="test" value="test" />
$('input[readonly]').click(function () {
$(this).removeAttr('readonly');
})
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