大约有 47,000 项符合查询结果（耗时：0.0508秒） [XML]
What is the difference between jQuery's mouseout() and mouseleave()?
...eaves the tooltip won't be displayed. This will work 99% of the time.
But now let's say the element you have a tooltip attached to is a button with a click event, and let's also assume this button prompts the user with either a confirm or alert box. The user clicks the button and the alert fires. T...
How can I find and run the keytool
...ow these steps (for facebook apps)
Download the openssl for windows here
now unzip to c drive
open cmd prompt
type cd C:\Program Files\Java\jdk1.6.0_26\bin
then type only keytool -export -alias myAlias -keystore C:\Users\<your user name>\.android\myKeyStore | C:\openssl-0.9.8k_WIN32\bin\open...
Ignoring an already checked-in directory's contents?
...n several projects. They are all in one directory without sub-directories. Now I just created a script to copy these assets over from another, structured directory, with several levels of sub-directories.
...
How to replace a character with a newline in Emacs?
...
It's really a good idea for the characters which I don't know the key bind.
– Lei
Mar 5 '09 at 18:16
...
Why isn't `int pow(int base, int exponent)` in the standard C++ libraries?
...ults, but we've ascertained that it's at least one-quarter of all inputs.
Now let's look at a fixed-width (i.e. non-bignum) integer power function. For what portion inputs does it not simply overflow? To maximize the number of meaningful input pairs, the base should be signed and the exponent uns...
Detect URLs in text with JavaScript
...erflow.com';
var html = urlify(text);
console.log(html)
// html now looks like:
// "Find me at <a href="http://www.example.com">http://www.example.com</a> and also at <a href="http://stackoverflow.com">http://stackoverflow.com</a>"
So in sum try:
$$('#pad dl dd'...
How to check if DST (Daylight Saving Time) is in effect, and if so, the offset?
... over there. Suggest using UTC all the way, and manually check if the time now is within a certain DST range. Then it's just a matter of changing the normal time UTC offset by +1 to get DST.
– Kebman
Jun 27 '15 at 18:28
...
Why are dates calculated from January 1st, 1970?
...
Do you know if Kernighan and Thompson every expressed a reason for choosing that moment beyond "It's a round number slightly before we started building the thing."?
– dmckee --- ex-moderator kitten
...
How can I get a list of locally installed Python modules?
...
Now, these methods I tried myself, and I got exactly what was advertised: All the modules.
Alas, really you don't care much about the stdlib, you know what you get with a python install.
Really, I want the stuff that I i...
How to make a Java thread wait for another thread's output?
...ods themselves synchronized):
private final Object lock = new Object();
//now use lock in your synchronized blocks
To further your understanding:
There are other (sometimes better) ways to do the above, e.g. with CountdownLatches, etc. Since Java 5 there are a lot of nifty concurrency classes in ...