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What is a “translation unit” in C++
... Including header files. Header files are processed by the compiler, even if no code is generated. See also JeffH's preprocessor comment, the definition "everything the compiler sees" is a good one.
– Marco van de Voort
Jul 9 '09 at 20:08
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disable all form elements inside div
...g jQuery: Because :input is a jQuery extension and not part of the CSS specification, queries using :input cannot take advantage of the performance boost provided by the native DOM querySelectorAll() method. To achieve the best performance when using :input to select elements, first select the eleme...
random.seed(): What does it do?
...sequence of generated values for a given random number generator. That is, if you provide the same seed twice, you get the same sequence of numbers twice.
Generally, you want to seed your random number generator with some value that will change each execution of the program. For instance, the curre...
When do I need to use a semicolon vs a slash in Oracle SQL?
...nd executing a DML statement) can be picked out more easily by eye.
Also, if you eventually move to something like Ant for deployment it will simplify the definition of targets to have a consistent statement delimiter.
shar...
Right way to initialize an OrderedDict using its constructor such that it retains order of initial d
...t comprehension in your last example doesn't change anything. There's no difference between OrderedDict([(i,i) for i in l]) and OrderedDict([('b', 'b'), ('a', 'a'), ('c', 'c'), ('aa', 'aa')]). The list comprehension is evaluated and creates the list and it is passed in; OrderedDict knows nothing a...
django syncdb and an updated model
... has changed or how to preserve it so it insists that you do it yourself. If you don't like it, use a migration tool like South.
– Soviut
Oct 23 '09 at 3:21
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How do I set up a simple delegate to communicate between two view controllers?
.../ See http://stackoverflow.com/a/4796131/263871 for the rationale
// (Tip: If you're not using ARC, use `assign` instead of `weak`)
@property (nonatomic, weak) id<ChildViewControllerDelegate> delegate;
// A simple IBAction method that I'll associate with a close button in
// the UI. We'll cal...
How to find third or nth maximum salary from salary table?
...
Use ROW_NUMBER(if you want a single) or DENSE_RANK(for all related rows):
WITH CTE AS
(
SELECT EmpID, EmpName, EmpSalary,
RN = ROW_NUMBER() OVER (ORDER BY EmpSalary DESC)
FROM dbo.Salary
)
SELECT EmpID, EmpName, EmpSalar...
HTTP Error 500.19 and error code : 0x80070021
...(IIS Management Console and Management Service), Windows Authentication - if you are using any of it
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What's the longest possible worldwide phone number I should consider in SQL varchar(length) for phon
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Well considering there's no overhead difference between a varchar(30) and a varchar(100) if you're only storing 20 characters in each, err on the side of caution and just make it 50.
shar...