大约有 40,000 项符合查询结果(耗时:0.0435秒) [XML]
Any reason not to use '+' to concatenate two strings?
A common antipattern in Python is to concatenate a sequence of strings using + in a loop. This is bad because the Python interpreter has to create a new string object for each iteration, and it ends up taking quadratic time. (Recent versions of CPython can apparently optimize this in some cases, b...
Git Blame Commit Statistics
...e" blame (or some better suited function, and/or in conjunction with shell commands) to give me a statistic of how much lines (of code) are currently in the repository originating from each committer?
...
How to remove trailing whitespace of all files recursively?
...In OS X 10.9 I also needed export LC_CTYPE=C as found here: stackoverflow.com/questions/19242275/…
– kissgyorgy
Feb 20 '14 at 0:32
|
show...
How do I iterate over a range of numbers defined by variables in Bash?
...
seq involves the execution of an external command which usually slows things down. This may not matter but it becomes important if you're writing a script to handle lots of data.
– paxdiablo
Oct 4 '08 at 1:45
...
How do I add the contents of an iterable to a set?
...
add a comment
|
40
...
What is the ultimate postal code and zip regex?
...
There is none.
Postal/zip codes around the world don't follow a common pattern. In some countries they are made up by numbers, in others they can be combinations of numbers an letters, some can contain spaces, others dots, the number of characters can vary from two to at least six...
Wha...
How can I benchmark JavaScript code? [closed]
...ch function. One iteration probably won't be enough, but (depending on how complex your functions are) somewhere closer to 100 or even 1,000 iterations should do the job.
Firebug also has a profiler if you want to see which parts of your function are slowing it down.
Edit: To future readers, the b...
CSS3 background image transition
...css3-transitions/#animatable-properties), so your solution is not standard compliant.
– TLindig
May 20 '14 at 8:08
13
...
Is it better practice to use String.format over string Concatenation in Java?
... localised and have the name and time tokens swapped without requiring a recompile of the executable to account for the different ordering. With argument positions you can also re-use the same argument without passing it into the function twice:
String.format("Hello %1$s, your name is %1$s and the ...
AngularJS routing without the hash '#'
...By default, AngularJS will route URLs with a hashtag
For Example:
http://www.example.com
http://www.example.com/#/about
http://www.example.com/#/contact
There are 2 things that need to be done.
Configuring $locationProvider
Setting our base for relative links
$location Service
In Angular, th...
