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What is an index in SQL?
... a PRIMARY KEY which in some storage engines defines where in the database file the value is stored.
In MySQL you can use EXPLAIN in front of your SELECT statement to see if your query will make use of any index. This is a good start for troubleshooting performance problems. Read more here:
http://...
Programmatically add custom event in the iPhone Calendar
...ramework in OS 4.0.
Right click on the FrameWorks group in the Groups and Files Navigator on the left of the window. Select 'Add' then 'Existing FrameWorks' then 'EventKit.Framework'.
Then you should be able to add events with code like this:
#import "EventTestViewController.h"
#import <Event...
How can you detect the version of a browser?
...Browser detection is really just for providing customized images, download files, or instructions for individual browsers.
Further Reading
Stack Overflow - Browser detection in JavaScript?
Stack Overflow - How to detect Safari, Chrome, IE, Firefox and Opera browser?
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ORA-30926: unable to get a stable set of rows in the source tables
...em set events ‘30926 trace name errorstack off’;
and watch for .trc files in UDUMP when it occurs.
2) Having found the SQL statement, check if it is correct (perhaps using explain plan or tkprof to check the query execution plan) and analyze or compute statistics on the tables concerned if t...
Running the new Intel emulator for Android
...oad it here: software.intel.com/en-us/articles/… Then open patched dmg file and follow the instructions.
– JosephL
Apr 4 '13 at 1:58
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Is there a HTML opposite to ?
...
You could also use Javascript to load content from another source file and output that. That may be a bit more black box-is than you're looking for though.
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Best practices to test protected methods with PHPUnit
...work_TestCase-extending class (or, I suppose, globally to your PHPUnitUtil file).
Since MyClass is being instantiated anyways and ReflectionClass can take a string or an object...
class PHPUnitUtil {
/**
* Get a private or protected method for testing/documentation purposes.
* How to u...
Convert bytes to a string
...gt; b'\x00\x01\xffsd'.decode('utf-8')
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xff in position 2: invalid
start byte
The same applies to latin-1, which was popular (the default?) for Python 2. See the ...
Failed to serialize the response in Web API with Json
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You can separate it easily by removing the .tt files and have disjoint context. Every time you generate model just add new class in the place. @Brimal : You can follow this youtube.com/watch?v=yex0Z6qwe7A
– Md. Alim Ul Karim
Mar 16 ...
What are invalid characters in XML
...an XML element. The issue at hand is which characters are valid in an XML file in general. There are certain characters that are not allowed anywhere.
– Jon Senchyna
Jun 23 '14 at 19:58
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