大约有 32,293 项符合查询结果（耗时：0.0629秒） [XML]
MySQL: Quick breakdown of the types of joins [duplicate]
...kdown of the types of MySQL joins. I know of these, the rest I am not sure what they mean.
3 Answers
...
How do you convert a byte array to a hexadecimal string, and vice versa?
...onment representative of your production needs with data representative of what you will use.
Results
Lookup by byte unsafe (via CodesInChaos) (added to test repo by airbreather)
Text: 4,727.85 (105.2X)
Sentence: 0.28 (99.7X)
Lookup by byte (via CodesInChaos)
Text: 10,853.96 (45.8X faster)
S...
Create subdomains on the fly with .htaccess (PHP)
...
Well, it depends on what you mean by that. If you mean, every time someone on the internet looks up foo.somedomain.com and it isn't cached, their DNS server has to resolve it, then yes.
– chaos
Feb 25 '09 ...
Cross-browser custom styling for file upload button [duplicate]
...
Yeah, that's what I meant with the "you'll have to define the styles for the buttons yourself". You just add some styles to the <label> tag to make it look like a button.
– Joeytje50
Jul 16 '14...
How to lock orientation during runtime
...
Careful! You need to differentate between what getConfiguration() returns and what setRequestedOrientation wants - see my answer below for details
– Andy Weinstein
May 7 '12 at 19:31
...
How do I copy to the clipboard in JavaScript?
What is the best way to copy text to the clipboard? (multi-browser)
57 Answers
57
...
Differences between Octave and MATLAB? [closed]
...
And what you call is sticking to a superior syntax... if you had the freedom to change Matlab, add extra syntax or different functions, wouldn't you? These are features that users implemented and they don't break compatibility. M...
Get top 1 row of each group
...
And... What is Partition By? With is new to me also :( I'm using mssql 2005 anyway.
– dpp
Jul 27 '11 at 8:48
6
...
How to implement common bash idioms in Python? [closed]
...s a command's environment (current directory and environment variables and what-not). You can easily manage this from Python directly.
The shell programming features. This is all the process status code checking, the various logic commands (if, while, for, etc.) the test command and all of it's r...
When to use SELECT … FOR UPDATE?
...l return the room as if it has never been deleted (which may or may not be what you wanted). If you don't want to show the rooms after they have been deleted, you should lock the rows with SELECT FOR UPDATE
In InnoDB, REPEATABLE READ and SERIALIZABLE are different things: readers in SERIALIZABLE mod...