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Understanding what 'type' keyword does in Scala
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if checkbox is checked, do this
When I check a checkbox, I want it to turn <p> #0099ff .
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iPhone App 开发第一步：从零到真机调试HelloWorld - 更多技术 - 清泛网 - ...
...完成，再用darwin_snow_legacy.iso已无法引导系统，换成Rebel EFI.iso。至此大概完成Mac OSX系统的安装。下面是要用到的各种文件，此处不保证以下下载地址有效，若失效就自己找，刚才的链接帽子里有：
VMWare 8.0以及汉化包：http://...
The simplest possible JavaScript countdown timer? [closed]
...
I have two demos, one with jQuery and one without. Neither use date functions and are about as simple as it gets.
Demo with vanilla JavaScript
function startTimer(duration, display) {
var timer = duration, minutes, seconds;
setInterval(function () {
minutes = parseInt...
How to ALTER multiple columns at once in SQL Server
...nning it outside the context of the database designer.*/
BEGIN TRANSACTION
SET QUOTED_IDENTIFIER ON
SET ARITHABORT ON
SET NUMERIC_ROUNDABORT OFF
SET CONCAT_NULL_YIELDS_NULL ON
SET ANSI_NULLS ON
SET ANSI_PADDING ON
SET ANSI_WARNINGS ON
COMMIT
BEGIN TRANSACTION
GO
ALTER TABLE dbo.tblDiary
DROP CON...
In the shell, what does “ 2>&1 ” mean?
...about noclobber option and >| syntax###
That's about overwriting:
While set -o noclobber instruct bash to not overwrite any existing file, the >| syntax let you pass through this limitation:
$ testfile=$(mktemp /tmp/testNoClobberDate-XXXXXX)
$ date > $testfile ; cat $testfile
Mon Jan 7 13...
How to declare variable and use it in the same Oracle SQL script?
..., we can still assign values to declared variables interactively:
SQL> set serveroutput on size unlimited
SQL> declare
2 n pls_integer;
3 l_sal number := 3500;
4 l_dno number := &dno;
5 begin
6 select count(*)
7 into n
8 from emp
9 where...
Append integer to beginning of list in Python [duplicate]
I have an integer and a list. I would like to make a new list of them beginning with the variable and ending with the list.
Writing a + list I get errors. The compiler handles a as integer, thus I cannot use append, or extend either.
How would you do this?
...
Iterating through a range of dates in Python
I have the following code to do this, but how can I do it better? Right now I think it's better than nested loops, but it starts to get Perl-one-linerish when you have a generator in a list comprehension.
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What are the differences between the urllib, urllib2, urllib3 and requests module?
...ffer different functionalities.
1) urllib2 can accept a Request object to set the headers for a URL request, urllib accepts only a URL.
2) urllib provides the urlencode method which is used for the generation of GET query strings, urllib2 doesn't have such a function. This is one of the reasons wh...