大约有 10,000 项符合查询结果(耗时:0.0400秒) [XML]
How to send an email from JavaScript
...ver I am trying to change the code to add one more text box for some other info ,the code stopped working. Do you know any solution for this.
– Suman
Jul 2 '16 at 23:15
...
Should I use single or double colon notation for pseudo-elements?
...
thanks for including the info on the comma and the ignore. That probably would have had me (and maybe others) scratching heads for a while. Looks like the best thing when 99% of browsers in use do support the double colon notation is to shift to us...
how to set “camera position” for 3d plots using python/matplotlib?
... zkoef, ax.get_zbound()[1] + zkoef)
# zoom option
if event.key == "alt+up":
ax.set_xbound(ax.get_xbound()[0]*0.90, ax.get_xbound()[1]*0.90)
ax.set_ybound(ax.get_ybound()[0]*0.90, ax.get_ybound()[1]*0.90)
ax.set_zbound(ax.get_zbound()[0]*0.90, ax.get_zbound()[1]*0.90)
...
Does PHP have threading?
...ltithreading in php but you should use multiprocessing instead.
Backgroud info: threads vs. processes
There is always a bit confusion about the distinction of threads and processes, so i'll shortly describe both:
A thread is a sequence of commands that the CPU will process. The only data it cons...
How do I use shell variables in an awk script?
...nds to awk this way. Even make it crash with non valid commands.
Extra info:
Use of double quote
It's always good to double quote variable "$variable"
If not, multiple lines will be added as a long single line.
Example:
var="Line one
This is line two"
echo $var
Line one This is line two
ec...
How to delete shared preferences data from App in Android
... delete it. In my own tests by watching the "Data" usage listed in the App Info panel, creating a new SharedPreference file adds 4KB to this value but using editor.clear().commit() does not reduce the number.
– Code Commander
Nov 21 '12 at 7:08
...
How can I select rows with most recent timestamp for each key value?
... BY sensorID, timestamp;
Pretty self-explaining I think, but here's more info if you wish, as well as other examples. It's from the MySQL manual, but above query works with every RDBMS (implementing the sql'92 standard).
s...
In log4j, does checking isDebugEnabled before logging improve performance?
...the approach taken by slf4j.
See my answer to a related question for more information, and an example of doing something like this with log4j.
share
|
improve this answer
|
...
ElasticSearch, Sphinx, Lucene, Solr, Xapian. Which fits for which usage? [closed]
... # timestamp fields must be defined as sql_attr_timestamp
sql_query_info_pre = SET NAMES utf8
# if you need unicode support for sql_field_string, you need to patch the source
# this param. is not supported natively
sql_query_info = SELECT * FROM my_posts WHERE id = $id
}
index p...
Simplest PHP example for retrieving user_timeline with Twitter API version 1.1
...r secret
The access token
The access token secret
There's a little bit of information here on what these tokens for.
3. Create access tokens: You'll need these to make successful requests
OAuth requests a few tokens. So you need to have them generated for you.
Click "create my access token" at t...
