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Loop through an array in JavaScript
...ject properties.
It shouldn't be used for array-like objects because:
The order of iteration is not guaranteed; the array indexes may not be visited in numeric order.
Inherited properties are also enumerated.
The second point is that it can give you a lot of problems, for example, if you extend th...
Valid to use (anchor tag) without href attribute?
...f this is that an <a> element without [href] won't be in the tabbing order by default.
The real question is whether the <a> element alone is an appropriate representation of a <button>. On a semantic level, there is a distinct difference between a link and a button.
A button is s...
Linux编译安装软件configure参数（持续更新） - 开源 & Github - 清泛网 - ...
...：
./configure --prefix=/usr/local/squid --sysconfdir=/usr/local/squid/etc --bindir=/usr/local/squid/bin \
--sbindir=/usr/local/squid/sbin --mandir=/usr/local/squid/share/man --enable-gnuregex --enable-carp \
--enable-async-io=80 --enable-removal-policies=heap,lru --enable-icmp --enable-delay-...
Can I run multiple programs in a Docker container?
... for each process such as autorestart=true, stdout_logfile, stderr_logfile etc. Take a look at docs.docker.com/engine/admin/using_supervisord
– Andreas Lundgren
Aug 12 '16 at 7:39
...
Android: How to handle right to left swipe gestures
...e scroll view get disabled and therefore scroll action does not happen. In order to fix this you need to override the dispatchTouchEvent method of the Activity and return the inherited version of this method after you're done with your own listener.
In order to do a few modifications to Mirek's cod...
What is the difference between UNION and UNION ALL?
...
UNION removes duplicates, whereas UNION ALL does not.
In order to remove duplicates the result set must be sorted, and this may have an impact on the performance of the UNION, depending on the volume of data being sorted, and the settings of various RDBMS parameters ( For Oracle PG...
Does the Java &= operator apply & or &&?
...
In order to avoid redundancies (still allowing for short-circuiting), you can simply write a=a&&b().
– Unai Vivi
Sep 8 '12 at 9:39
...
How to initialize log4j properly?
...sed to initialize itself, which loggers / appenders got configured and how etc.
The configuration file can be a java properties file or an xml file. Here is a sample of the properties file format taken from the log4j intro documentation page:
log4j.rootLogger=debug, stdout, R
log4j.appender.stdo...
How to parse JSON in Java
... How can I parse it to get the values of pageName , pagePic , post_id , etc.?
34 Answers
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How do I make $.serialize() take into account those disabled :input elements?
...data = [];
// here, we will find all inputs (including textareas, selects etc)
// to find just disabled, add ":disabled" to find()
$("#myform").find(':input').each(function(){
var name = $(this).attr('name');
var val = $(this).val();
//is name defined?
if(typeof name !== typeof unde...