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How to export a Vagrant virtual machine to transfer it
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Does the "clean way" account for databases (mySQL, Wordpress) that might be inside the vm? How can that be synced over to the other pc?
– kevllar
Feb 17 '16 at 4:33
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Is storing a delimited list in a database column really that bad?
...ient table-scan. May have to resort to regular expressions, for example in MySQL:
idlist REGEXP '[[:<:]]2[[:>:]]'*
Hard to count elements in the list, or do other aggregate queries.
Hard to join the values to the lookup table they reference.
Hard to fetch the list in sorted order.
To solve th...
How to check if running as root in a bash script
I'm writing a script that requires root level permissions, and I want to make it so that if the script is not run as root, it simply echoes "Please run as root." and exits.
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In JPA 2, using a CriteriaQuery, how to count results
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Mind you that the qb.count is done over the Root<MyEntity> of your query (Root<MyEntity> myEntity = cq.from(MyEntity.class)) and this is often already in your normal select code and when you forget you end up with a join to self.
– gke...
What is sharding and why is it important?
...cross multiple logical or physical nodes (in the case of my understanding (mySQL) multiple databases, most likely housed on different logical hardware). Horizontal partitioning is a less specific term, of which "Sharding" is a subset. Again using mySQL as an example, a mySQL partition is handled by...
Determine if running on a rooted device
...has a certain piece of functionality that will only work on a device where root is available. Rather than having this feature fail when it is used (and then show an appropriate error message to the user), I'd prefer an ability to silently check if root is available first, and if not,hide the respect...
Select something that has more/less than x character
...nks.
Here's the link to the MSDN
For oracle/plsql you can use Length(), mysql also uses Length.
Here is the Oracle documentation:
http://www.techonthenet.com/oracle/functions/length.php
And here is the mySQL Documentation of Length(string):
http://dev.mysql.com/doc/refman/5.1/en/string-functi...
Python - Get path of root project structure
I've got a python project with a configuration file in the project root.
The configuration file needs to be accessed in a few different files throughout the project.
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Edit the root commit in Git?
...t you have a clean working tree, you can do the following.
# checkout the root commit
git checkout <sha1-of-root>
# amend the commit
git commit --amend
# rebase all the other commits in master onto the amended root
git rebase --onto HEAD HEAD master
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基于PECL OAuth打造微博应用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...last_response = null;
return $instance;
}
?>
先看看搜狐是如何发送文本加图片消息的：
<?php
$text = 'hello, world.';
$image = 'http://www.foo.com/bar.gif';
$oauth = OAuth(
'YOUR_CONSUMER_KEY',
'YOUR_CONSUMER_SECRET',
OAUTH_SIG_METHOD_HMACSHA1,
...