大约有 44,000 项符合查询结果（耗时：0.0651秒） [XML]
How do you add CSS with Javascript?
...
...on all but (naturally) IE8 and prior, which uses its own marginally-different wording:
sheet.addRule('strong', 'color: red;', -1);
There is a theoretical advantage in this compared to the createElement-set-innerHTML method, in that you don't have to worry about putting special HTML characte...
Convert command line arguments into an array in Bash
...id, you can convert it into an actual array like this:
myArray=( "$@" )
If you just want to type some arguments and feed them into the $@ value, use set:
$ set -- apple banana "kiwi fruit"
$ echo "$#"
3
$ echo "$@"
apple banana kiwi fruit
Understanding how to use the argument structure is part...
Make footer stick to bottom of page correctly [duplicate]
...oter (just a div with a line of text in it) be at the bottom of the screen if the content doesn't go all the way to the bottom, or be at the bottom of the content if the content requires scroll bars. If the content doesn't require scroll bars, it works perfectly, but when the content is too long, t...
How to find out which package version is loaded in R?
... LC_TELEPHONE=C LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C
attached base packages:
[1] graphics grDevices utils datasets stats grid methods base
other attached packages:
[1] ggplot2_0.9.0 reshape2_1.2.1 plyr_1.7.1
loaded via a namespac...
What is the C runtime library?
...g "libcmtd".
As far as what functions it includes, the C standard (part 7, if you happen to care) defines a set of functions a conforming (hosted) implementation must supply. Most vendors (including Microsoft) add various other functions themselves (for compatibility, to provide capabilities the sta...
Efficient Algorithm for Bit Reversal (from MSB->LSB to LSB->MSB) in C
...bits of v; first get LSB of v
int s = sizeof(v) * CHAR_BIT - 1; // extra shift needed at end
for (v >>= 1; v; v >>= 1)
{
r <<= 1;
r |= v & 1;
s--;
}
r <<= s; // shift when v's highest bits are zero
Faster (32-bit processor)
unsigned char b = x;
b = ((b * 0x08...
Change Screen Orientation programmatically using a Button
...
If I set the orientation to landscape programatically as this answer, the user is not able anymore to change the orientation by rotating the device. Any way to handle this problem? I want to do what was taught in this answer ...
findViewByID returns null
...
Possibly, you are calling findViewById before calling setContentView?
If that's the case, try calling findViewById AFTER calling setContentView
share
|
improve this answer
|
...
How to identify whether a file is normal file or directory
...h.islink() for symlinks for instance. Furthermore, these all return False if the file does not exist, so you'll probably want to check with os.path.exists() as well.
share
|
improve this answer
...
How do I get the current line number?
...ilePath and an int for CallerLineNumber and must have a default value. Specifying these attributes on method parameters instructs the compiler to insert the appropriate value in the calling code at compile time, meaning it works through obfuscation. See Caller Information for more information.
...