大约有 31,100 项符合查询结果（耗时：0.0684秒） [XML]
Why use a READ UNCOMMITTED isolation level?
...t read uncommitted / no lock will return whatever data was last committed. My understanding is read uncommitted will return whatever value was last set even from uncommitted transactions. If so, the result would not be retrieving data "a few seconds out of date". It would (or at least could if the t...
Best practice? - Array/Dictionary as a Core Data Entity Attribute [closed]
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I had a similar issue. In my case, I wanted to map an array of strings. I followed Barry's advice and finally got it working. Here is what some of the code looks like (which will hopefully clarify things for anyone else who runs into this)...
My En...
Change Oracle port from port 8080
How do I change Oracle from port 8080? My Eclipse is using 8080, so I can't use that.
8 Answers
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How to specify in crontab by what user to run script? [closed]
...t to run under user www-data and group www-data so when i run scripts from my website i can manipulate those folders and files?
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Pure JavaScript: a function like jQuery's isNumeric() [duplicate]
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@Matt My comment was aimed at the comment and the note in the answer stating parseInt was the wrong way of doing this (then going ahead and using parseFloat, which doesn't really seem different). Interestingly isFinite will get you...
Can I Install Laravel without using Composer?
... It's not an issue of difficulty or anything, I have installed it on my local webserver using composer. However, I'm still learning PHP and frameworks and developing a CMS based on Laravel for practice, but I would like to be able to drop it onto any webserver without having to use composer ev...
What is a mutex?
...amming concept that is frequently used to solve multi-threading problems. My question to the community:
10 Answers
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How to edit a JavaScript alert box title?
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You can do this in IE:
<script language="VBScript">
Sub myAlert(title, content)
MsgBox content, 0, title
End Sub
</script>
<script type="text/javascript">
myAlert("My custom title", "Some content");
</script>
(Although, I really wish you couldn't.)
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Postgresql GROUP_CONCAT equivalent?
...aveat is that it also includes the starting and ending curly braces, hence my statement "and edit as needed". I will edit to clarify that point.
– Matthew Wood
Feb 21 '12 at 20:00
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How to shrink/purge ibdata1 file in MySQL
I am using MySQL in localhost as a "query tool" for performing statistics in R, that is, everytime I run a R script, I create a new database (A), create a new table (B), import the data into B, submit a query to get what I need, and then I drop B and drop A.
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