大约有 47,000 项符合查询结果（耗时：0.0549秒） [XML]
Adding placeholder text to textbox
I am looking for a way to add placeholder text to a textbox like you can with a textbox in html5.
24 Answers
...
Where can I learn how to write C code to speed up slow R functions? [closed]
What's the best resource for learning how to write C code for use with R? I know about the system and foreign language interfaces section of R extensions, but I find it pretty hard going. What are good resources (both online and offline) for writing C code for use with R?
...
Python: Making a beep noise
I'm trying to get the program to give me a beeping noise. I'm on a windows machine. I've looked at http://docs.python.org/library/winsound.html
...
Which is fastest? SELECT SQL_CALC_FOUND_ROWS FROM `table`, or SELECT COUNT(*)
When you limit the number of rows to be returned by a SQL query, usually used in paging, there are two methods to determine the total number of records:
...
Why Android Studio says “Waiting For Debugger” if am NOT debugging?
I am working with Android Studio. Since last night, when I Run my project on my device, appear the message "Waiting For Debugger". It is a very strange behavior because I am not debugging application.
...
Changing user agent on urllib2.urlopen
How can I download a webpage with a user agent other than the default one on urllib2.urlopen?
9 Answers
...
Android - Set max length of logcat messages
By default, it seems that logcat will truncate any log message that it considers to be "too long". This happens both inside of Eclipse and when running logcat on the command line using adb -d logcat , and is truncating some important debugging messages.
...
Change the default editor for files opened in the terminal? (e.g. set it to TextEdit/Coda/Textmate)
Is there a way to make files opened for editing in the terminal open in Textedit instead?
8 Answers
...
Make an image width 100% of parent div, but not bigger than its own width
I’m trying to get an image (dynamically placed, with no restrictions on dimensions) to be as wide as its parent div, but only as long as that width isn’t wider than its own width at 100%. I’ve tried this, to no avail:
...
Does “git fetch --tags” include “git fetch”?
A nice and simple question - is the function of "git fetch" a strict sub-set of git fetch --tags ?
6 Answers
...