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In which order do CSS stylesheets override?
... see the same one I worked out: http://jsfiddle.net/Wtk67/
<div class="test">Hello World!!</div>
<style>
.test{
color:blue;
}
.test{
color:red;
}
</style>
If you interchange the order of .test{}, then you can see the HTML takes value of t...
You can't specify target table for update in FROM clause
...
You can make this in three steps:
CREATE TABLE test2 AS
SELECT PersId
FROM pers p
WHERE (
chefID IS NOT NULL
OR gehalt < (
SELECT MAX (
gehalt * 1.05
)
FROM pers MA
WHERE MA.chefID = p.chefID
)
)
...
UPDATE pers P
SET P.gehalt = P.gehal...
Do try/catch blocks hurt performance when exceptions are not thrown?
...
Programs like this hardly seem like good candidates for testing the impact of exception handling, too much of what would be going on in normal try{} catch{} blocks is going to be optimized out. I may be out to lunch on that...
– LorenVS
Aug 2...
iPhone Debugging: How to resolve 'failed to get the task for process'?
... figure out.
If you are using a distribution / ad hoc/ profile you cannot test it through xcode. You will get the error: The program being debugged is not being run.
You can build the app, go to the products folder in your app in xcode, click on the file with your project name and choose reveal i...
Where is the documentation for the values() method of Enum?
...s()) {
System.out.println(m);
}
you will see
public static test.Sex test.Sex.valueOf(java.lang.String)
public static test.Sex[] test.Sex.values()
These are all public methods that "sex" class has. They are not in the source code, javac.exe added them
Notes:
never use sex as a c...
Is there a shortcut in Eclipse to Re-run the most recently launched program?
...
I am currently editing my JUnit test and I only want to run the test method I am writing. I do that by highlighting the method name first -> I do this every I time I want to run. So I googled for a shortcut for running the most recent run. I think this i...
How to get browser width using JavaScript code?
...
Original Answer
Since all browsers behave differently, you'll need to test for values first, and then use the correct one. Here's a function that does this for you:
function getWidth() {
if (self.innerWidth) {
return self.innerWidth;
}
if (document.documentElement && documen...
Shell脚本编程30分钟入门 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...! bin shcd ~mkdir shell_tutcd shell_tutfor ((i=0; i<10; i++)); do touch test_$i.txt...
什么是Shell脚本
示例
看个例子吧：
#!/bin/sh
cd ~
mkdir shell_tut
cd shell_tut
for ((i=0; i<10; i++)); do
touch test_$i.txt
done
示例解释
第1行：指定脚本解释器...
Is there a replacement for unistd.h for Windows (Visual C)?
...t to access.
These may be OR'd together. */
#define R_OK 4 /* Test for read permission. */
#define W_OK 2 /* Test for write permission. */
//#define X_OK 1 /* execute permission - unsupported in windows*/
#define F_OK 0 /* Test for existence. */
#define ...
How do I get the number of elements in a list?
... xrange, dict, set, frozenset))
True
Do not use len to test for an empty or nonempty list
To test for a specific length, of course, simply test for equality:
if len(items) == required_length:
...
But there's a special case for testing for a zero length list or the inverse...