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Accessing private member variables from prototype-defined functions
... constructor's local variables.
You can still have private variables, but if you want methods defined on the prototype to have access to them, you should define getters and setters on the this object, which the prototype methods (along with everything else) will have access to. For example:
functi...
How can I quickly sum all numbers in a file?
...in Ayman Hourieh's answer:
% perl -nle '$sum += $_ } END { print $sum'
If you're curious what Perl one-liners do, you can deparse them:
% perl -MO=Deparse -nle '$sum += $_ } END { print $sum'
The result is a more verbose version of the program, in a form that no one would ever write on thei...
Paste multiple columns together
... note that instead of d[ , cols] you may want to use d[ , names(d) != 'a'] if all but the a column are to be pasted together.
– baptiste
Jan 28 '13 at 18:39
...
Get Unix Epoch Time in Swift
How do you get the seconds from epoch in Swift?
5 Answers
5
...
How can I measure the speed of code written in PHP? [closed]
...rturbating element" is averaged.
Something like this, so, if you want to know how long it take to serialize an array :
$before = microtime(true);
for ($i=0 ; $i<100000 ; $i++) {
serialize($list);
}
$after = microtime(true);
echo ($after-$before)/$i . " sec/serialize\n";
Not perfect, but...
实战低成本服务器搭建千万级数据采集系统 - 更多技术 - 清泛网 - 专注C/C++...
...器。到了机器后再按照天或者半天分表，比如表名为 weibo_2013020101 、weibo_2013020112。weibo_2013020101表示2月1日上午一个表，weibo_2013020112表示2月1日下午一个表。光这样分了还是不够，1000w/2=500w，经不起压力扩展。我们还需要把表再...
jQuery .on function for future elements, as .live is deprecated [duplicate]
...ould use jQuery's .live function to handle this, but it seems that it is now deprecated in favor of .on .
2 Answers
...
How to download Xcode DMG or XIP file?
...sume is better with bad internet. If you internet downloads corrupted data now and then you'll need a torrent or something like that, but hard to find safe stuff.
– Dan
Apr 16 '17 at 1:46
...
Flask-SQLAlchemy how to delete all rows in a single table
... a similar kind of a situation. Say there are 4 records in the table as of now, from id 1 to 4. When I do a db.session.query(Table_name).delete() db.session.commit() and then if I do a db.session.add() again to add new records, the next record gets an id of 5. Since my table is now empty, I want my ...
Application auto build versioning
... Note that before Go 1.5 this option took two separate arguments.
Now it takes one argument split on the first = sign.
As part of your build process, you could set a version string variable using this. You can pass this through the go tool using -ldflags. For example, given the following s...