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difference between use and require
...lly there's a programming style which says "namespaces are a honking great idea, we should have more of them" (from "The Zen of Python") -- so e.g. that style recommends not using "using namespace foo;" in C++, so that readers and maintainers of the code won't have to worry "where does this bar come...
What is a “symbol” in Julia?
...., you need a way to represent – as data – the foo on the left hand side of this:
foo == "foo"
Now we're getting to the heart of the matter: the difference between a symbol and a string is the difference between foo on the left hand side of that comparison and "foo" on the right hand side. ...
How to create and write to a txt file using VBA
...ct is to make autocompletion
' (Intellisense) work, which helps you avoid typos and lets you discover other useful
' methods of the FileSystemObject
Dim fso As FileSystemObject
Set fso = New FileSystemObject
Dim fileStream As TextStream
' Here the actual file is created and ...
Is explicitly closing files important?
... @Rohan yes, that is the little magic that the with statement provide, but of course for this magic to work the object must have the especial methods __enter__ and __exit__, in the latter the object do the close and any other cleanup stuff that need to be done at the end of the with stateme...
Why are flag enums usually defined with hexadecimal values
...w.
Also, i'm not sure about C#, but I know that in C x << y is a valid compile-time constant.
Using bit shifts seems the most clear:
[Flags]
public enum MyEnum
{
None = 0,
Flag1 = 1 << 0,
Flag2 = 1 << 1,
Flag3 = 1 << 2,
Flag4 = 1 << 3,
Flag5 =...
Specify custom Date format for colClasses argument in read.table/read.csv
...your data.
Edit ---
You might want to run setClass('myDate') first to avoid the warning (you can ignore the warning, but it can get annoying if you do this a lot and this is a simple call that gets rid of it).
share
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Running a specific test case in Django when your app has a tests directory
...ject.com/en/1.3/topics/testing/#running-tests ) says that you can run individual test cases by specifying them:
6 Answers
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Why does Go have a “goto” statement
...
Goto is a good idea when none of the built-in control features do quite what you want, and when you can express what you want with a goto. (It's a shame in these cases in some languages when you don't have a goto. You end up abusing some ...
Generic Repository With EF 4.1 what is the point
...ally right. DbContext is an implementation of the unit of work pattern and IDbSet is an implementation of the repository pattern.
Repositories are currently very popular and overused. Everybody use them just because there are dozens of articles about creating repository for entity framework but nob...
Fix warning “Capturing [an object] strongly in this block is likely to lead to a retain cycle” in AR
...that using keyword block and setting the variable to nil after using it inside the block should be ok, but it still shows the warning.
__block ASIHTTPRequest *request = [[ASIHTTPRequest alloc] initWithURL:...
[request setCompletionBlock:^{
NSDictionary *jsonDictionary = [[CJSONDeserializer des...