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Django South - table already exists
...re is more than one field missing you have to repeat it for each field.
3.Now you land with a bunch of new migrations so remove their files from myapp/migrations (0011 and further if you needed to add multiple fields).
4.Run this:
./manage.py migrate myapp 0010
Now try ./manage.py migrate myapp...
Replace all non Alpha Numeric characters, New Lines, and multiple White Space with one Space
...e made the change you suggested. I had tested with the brackets before and now I see it works without them. Happy New Year to you, too.
– T-CatSan
Jan 1 '14 at 2:44
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Null coalescing in powershell
... evaluated
Null Conditional Assignment
$x = $null
$x ??= 100 # $x is now 100
$x ??= 200 # $x remains 100
Ternary Operator
$true ? "this value returned" : "this expression not evaluated"
$false ? "this expression not evaluated" : "this value returned"
Previous Versions:
No need for ...
Navigation bar appear over the views with new iOS7 SDK
...hod.
Note: You should be using the latest GM release of iOS 7 and Xcode 5 now since the API has changed from beta versions.
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Intel HAXM installation error - This computer does not support Intel Virtualization Technology (VT-x
...yper-V and Windows Hypervisor Platform options and restart your system.
Now, you can Start HAXM installation without any error.
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mysql_config not found when installing mysqldb python interface
...oo on openSUSE, where "libmysqlclient-dev" becomes "libmysqlclient-devel". Now the pip package installs fine. Thanks.
– pbarill
Nov 30 '13 at 4:14
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How can I get rid of an “unused variable” warning in Xcode?
... mark variable as used is… to use it.
BOOL saved = ...;
(void)saved; // now used
You may be happy with already described compiler-specific extensions, though.
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How do you test functions and closures for equality?
...as kind of devastating because I had been storing closures in an Array and now can't remove them with indexOf({$0 == closure} so I have to refactor. IMHO optimization shouldn't influence language design, so without a quick fix like the now deprecated @objc_block in matt's answer, I would argue that...
What's the difference between the atomic and nonatomic attributes?
.../nonatomic/retain/assign/copy are merely advisory. (Note: @synthesize is now the default behavior in recent versions of LLVM. There is also no need to declare instance variables; they will be synthesized automatically, too, and will have an _ prepended to their name to prevent accidental direct ...
Will the base class constructor be automatically called?
...tion and calls. In your Base class with a non-default constructor you must now either call that constructor explicitly from the derived class or add a default constructor explicitly in the base class.
Let's test this.....
// THIS WORKS!!!
class MyBaseClass0
{
// no default constructor - create...