大约有 31,000 项符合查询结果（耗时：0.0605秒） [XML]
Android EditText delete(backspace) key event
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On my Nexus4 (running stock KitKat) this does work for the software keyboard.
– Matthias
May 1 '14 at 21:52
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How long do browsers cache HTTP 301s?
... I confirm that redirecting back (with a PHP redirection in my case) works perfectly on Google Chrome as long as (obviously) you removed the initial 301 redirect.
– Vincent Poirier
Mar 14 '17 at 14:00
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Remove sensitive files and their commits from Git history
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Perfect dude, that's a great answer. You save my day.
– zzeroo
Sep 9 '10 at 15:43
19
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How do I use NSTimer?
...in another method. You can then call invalidate on the NSTimer instance:
[myTimer invalidate];
myTimer = nil;
It's also good practice to nil out the instance variable (for example if your method that invalidates the timer is called more than once and the instance variable hasn't been set to nil a...
Do you debug C++ code in Vim? How? [closed]
... "like" debugger based off GDB - cgdb.github.io
– Jimmy MG Lim
Apr 3 '19 at 8:00
add a commen...
Why doesn't the example compile, aka how does (co-, contra-, and in-) variance work?
... reader (hint: think about different cases as functions are subtyped, like my array example from above).
With your new-found knowledge of co- and contravariance, you should be able to see why the following example will not compile:
trait List[+A] {
def cons(hd: A): List[A]
}
The problem is tha...
How can I check if a URL exists via PHP?
...alidUrl($url) ){
unset($urls[$k]);
}
}
echo "yay all done! now show my site";
foreach($urls as $url){
echo "<a href=\"{$url}\">{$url}</a><br/>";
}
The functions below could be helpfull, you probably want to modify them to suit your needs:
function isValidUrl($url){
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Why don't C++ compilers define operator== and operator!=?
...ns are defined by
default and I prohibit copying of
objects of many of my classes.
However, C++ inherited its default
assignment and copy constructors from
C, and they are frequently used.
So instead of "why doesn't C++ have a default operator==()?", the question should have been "why d...
How do I parse a string with a decimal point to a double?
... value in code. I prefer to use double.Parse or Convert.ToDouble that make my intention obvious.
– Mehrdad Afshari
Aug 30 '09 at 21:29
4
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How can I debug javascript on Android?
... I have just tried, but the about:debug trick did not work on my Nexus S with ICS 4.0.3.
– derflocki
May 21 '12 at 6:39
6
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