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SHFileOperation函数总结（文件夹的移动、复制、删除） - C/C++ - 清泛网 -...
...EOPSTRUCT;
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wFunc 可以为：
FO_MOVE 0x0001 移动文件
FO_COPY 0x0002 复制文件
FO_DELETE 0x0003 删除文件，只使用 pFrom
FO_RENAME 0x0004 文件重命名
fFlags可以为：
FOF_MULTIDESTFILES 0x0001 //pTo...
How do I apply CSS3 transition to all properties except background-position?
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Here's a solution that also works on Firefox:
transition: all 0.3s ease, background-position 1ms;
I made a small demo: http://jsfiddle.net/aWzwh/
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Is there a standard sign function (signum, sgn) in C/C++?
...+ version yet:
template <typename T> int sgn(T val) {
return (T(0) < val) - (val < T(0));
}
Benefits:
Actually implements signum (-1, 0, or 1). Implementations here using copysign only return -1 or 1, which is not signum. Also, some implementations here are returning a float (or...
Can I change the checkbox size using CSS?
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440
It's a little ugly (due to the scaling up), but it works on most newer browsers:
input[type...
Regular expressions in C: examples?
...):
#include <regex.h>
regex_t regex;
int reti;
char msgbuf[100];
/* Compile regular expression */
reti = regcomp(&regex, "^a[[:alnum:]]", 0);
if (reti) {
fprintf(stderr, "Could not compile regex\n");
exit(1);
}
/* Execute regular expression */
reti = regexec(&regex, ...
How do I cast a string to integer and have 0 in case of error in the cast with PostgreSQL?
...hould work:
SELECT CASE WHEN myfield~E'^\\d+$' THEN myfield::integer ELSE 0 END FROM mytable;
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Replace all non Alpha Numeric characters, New Lines, and multiple White Space with one Space
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Be aware, that \W leaves the underscore. A short equivalent for [^a-zA-Z0-9] would be [\W_]
text.replace(/[\W_]+/g," ");
\W is the negation of shorthand \w for [A-Za-z0-9_] word characters (including the underscore)
Example at regex101.com
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Index (zero based) must be greater than or equal to zero
... a placeholder but you're only passing in one argument, so you should use {0} instead.
Change this:
String.Format("{2}", reader.GetString(0));
To this:
String.Format("{0}", reader.GetString(2));
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ObservableCollection not noticing when Item in it changes (even with INotifyPropertyChanged)
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120
The ContentList's Set method will not get called when you change a value inside the collection, ...
Center content of UIScrollView when smaller
...mage is smaller than scrollview then adjust subview.center else center is (0,0).
- (void)scrollViewDidZoom:(UIScrollView *)scrollView
{
UIView *subView = [scrollView.subviews objectAtIndex:0];
CGFloat offsetX = MAX((scrollView.bounds.size.width - scrollView.contentSize.width) * 0.5, 0.0);...