大约有 43,000 项符合查询结果(耗时:0.0804秒) [XML]
How do I iterate through table rows and cells in JavaScript?
... go through each row(<tr>), knowing/identifying the row(<tr>), and iterate through each column(<td>) of each row(<tr>), then this is the way to go.
var table = document.getElementById("mytab1");
for (var i = 0, row; row = table.rows[i]; i++) {
//iterate through rows
//...
Why was “Avoid Enums Where You Only Need Ints” removed from Android's performance tips?
...was removed from the official developer documentation . (See Why doesn't Android use more enums? for the old section content)
...
Is it possible to capture a Ctrl+C signal and run a cleanup function, in a “defer” fashion?
I want to capture the Ctrl+C ( SIGINT ) signal sent from the console and print out some partial run totals.
10 Answers
...
How to log cron jobs?
...og/myjob.log
You might use mail to send emails. Most systems will send unhandled cron job output by email to root or the corresponding user.
share
|
improve this answer
|
fo...
RESTful Login Failure: Return 401 or Custom Response
...to 403 Forbidden, but specifically for use when authentication is required and has failed or has not yet been provided. The response must include a WWW-Authenticate header field containing a challenge applicable to the requested resource.
Your confusion about, myservice.com/are/these/credentials/v...
Change branch base
... demo PRO
Basically, you take all the commits from after demo up to PRO, and rebase them onto the master commit.
share
|
improve this answer
|
follow
|
...
Python `if x is not None` or `if not x is None`?
...he if not x is None version to be more clear, but Google's style guide and PEP-8 both use if x is not None . Is there any minor performance difference (I'm assuming not), and is there any case where one really doesn't fit (making the other a clear winner for my convention)?*
...
Running Python code in Vim
I am writing Python code using Vim, and every time I want to run my code, I type this inside Vim:
20 Answers
...
“implements Runnable” vs “extends Thread” in Java
...purer" way to go.
In practical terms, it means you can implement Runnable and extend from another class as well.
share
|
improve this answer
|
follow
|
...
Object comparison in JavaScript [duplicate]
...
Unfortunately there is no perfect way, unless you use _proto_ recursively and access all non-enumerable properties, but this works in Firefox only.
So the best I can do is to guess usage scenarios.
1) Fast and limited.
Works when you have simple JSON-style objects without methods and DOM nodes...
