大约有 10,000 项符合查询结果（耗时：0.0194秒） [XML]
Java concurrency: Countdown latch vs Cyclic barrier
...ify is just to new up a CountDownLatch immediately when the protected code block is entered (when the latch reaches zero). This is not applicable in all circumstances/scopes of course, but I thought it worth noting that it is an option in goldilocks situations.
– Ephemera
...
Why does SIGPIPE exist?
...e((sz = read(STDIN,bufr,BUFSIZE))>=0)
write(STDOUT,bufr,sz);
B is blocked on the read(2) call waiting for data from A when C terminates. If you wait for the return code from write(2), when will B see it? The answer, of course, is not until A writes more data (which could be a long wait --...
Non greedy (reluctant) regex matching in sed?
... the very first occurrence of a string that is delimited. We can call it a block of string.
sed 's/\(END-DELIMITER-EXPRESSION\).*/\1/; \
s/\(\(START-DELIMITER-EXPRESSION.*\)*.\)*/\1/g'
Input string:
foobar start block #1 end barfoo start block #2 end
-EDE: end
-SDE: start
$ sed 's/\(end\).*/\...
Laravel orderBy on a relationship
...
It is possible to extend the relation with query functions:
<?php
public function comments()
{
return $this->hasMany('Comment')->orderBy('column');
}
[edit after comment]
<?php
class User
{
public function comments()
{
return $this->hasMany('Comment');...
Disable soft keyboard on NumberPicker
...like a charm:
myNumberPicker.setDescendantFocusability(NumberPicker.FOCUS_BLOCK_DESCENDANTS);
You can also set this in XML:
android:descendantFocusability="blocksDescendants"
share
|
improve th...
Are iframes considered 'bad practice'? [closed]
...that said, if you are limited to HTML and have no access to a backend like PHP or ASP.NET etc, sometimes an iframe is your only option.
share
|
improve this answer
|
follow
...
jQuery get input value after keypress
...og(dInput);
$(".dDimension:contains('" + dInput + "')").css("display","block");
});
share
|
improve this answer
|
follow
|
...
Meaning
...ed handlers, such as .html, .jpg, .doc, but also for classic ASP (.asp) or PHP (.php) extensions. See "How to Take Advantage of IIS Integrated Pipeline" for an example of enabling ASP.NET modules to run for all content.
You can also use a shortcut to enable all managed (ASP.NET) modules to run for a...
Create two blank lines in Markdown
...ank line, you could pre tag to contain blank lines. As markdown inside pre block is not parsed. I would prefer not to do this, instead add as many <br>'s as needed.
– vmx
Dec 12 '13 at 13:00
...
Email validation using jQuery
...how();
return false;
}
//ajax call php page
$.post("send.php", $("#contactform").serialize(), function(response) {
$('#contactform').fadeOut('slow',function(){
$('#success').html(response);
$('#success')...