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Accessing bash command line args $@ vs $*
...parameters are passed on intact, without interpretation or expansion. This means, among other things, that each parameter in the argument list is seen as a separate word.
Of course, "$@" should be quoted.
http://tldp.org/LDP/abs/html/internalvariables.html#ARGLIST
...
完美解决phpcms批量移动内容后，新闻心情、评论排行等不更新的问题 - 更多...
...空链接了（原url已删除了）。
原因：内容移动后，catid发生了变化，而comment、mood相关的表中catid没有更新。
解决方法：只需修改一个文件搞定 phpcms/modules/content/content.php
/**
* 批量移动文章
*/
public fun...
Delete duplicate records in SQL Server?
Consider a column named EmployeeName table Employee . The goal is to delete repeated records, based on the EmployeeName field.
...
What are the differences between NP, NP-Complete and NP-Hard?
...answer is "yes" have proofs that can be verified in polynomial time.
This means that if someone gives us an instance of the problem and a certificate (sometimes called a witness) to the answer being yes, we can check that it is correct in polynomial time.
Example
Integer factorisation is in NP. T...
How to create a Custom Dialog box in android?
...l
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="80dp"
android:background="#3E80B4"
android:orientation="vertical" >
<TextView
androi...
Distributed sequence number generation?
...ing now.
You'll need to differentiate between sequence numbers and unique IDs that are (optionally) loosely sortable by a specific criteria (typically generation time). True sequence numbers imply knowledge of what all other workers have done, and as such require shared state. There is no easy way ...
Does “\d” in regex mean a digit?
I found that in 123 , \d matches 1 and 3 but not 2 . I was wondering if \d matches a digit satisfying what kind of requirement? I am talking about Python style regex.
...
How can I move a single directory from a git repository to a new repository whilst maintaining the h
...itory and only keeping each sub-project. This, however, would destroy the meaning of the commit hashes. If you have no problem with that then so be it.
In the past I've just cloned it and moved on. This makes things larger but disk space is cheap; my time is expensive.
I also don't know of any ...
How to delete from select in MySQL?
...ner subquery result (looks rather hacky, though):
DELETE FROM posts WHERE id IN (
SELECT * FROM (
SELECT id FROM posts GROUP BY id HAVING ( COUNT(id) > 1 )
) AS p
)
Or use joins as suggested by Mchl.
sh...
How do I find a stored procedure containing ?
...TION LIKE '%Foo%'
AND ROUTINE_TYPE='PROCEDURE'
SELECT OBJECT_NAME(id)
FROM SYSCOMMENTS
WHERE [text] LIKE '%Foo%'
AND OBJECTPROPERTY(id, 'IsProcedure') = 1
GROUP BY OBJECT_NAME(id)
SELECT OBJECT_NAME(object_id)
FROM sys.sql_modules
WHERE OBJECTPROPERTY(object_...