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Objective-C: Reading a file line by line
...ng stringWithContentsOfFile:fileRoot
encoding:NSUTF8StringEncoding error:nil];
// first, separate by new line
NSArray* allLinedStrings =
[fileContents componentsSeparatedByCharactersInSet:
[NSCharacterSet newlineCharacterSet]];
// then break down even further
NSString* strsIn...
Python/postgres/psycopg2: getting ID of row just inserted
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@AlisonS @Leonid I had the same error, but adding RETURNING id to the end of the INSERT query fixed it for me.
– Banjer
Aug 12 '16 at 18:36
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JavaScript OR (||) variable assignment explanation
...luation of boolean expressions. In static languages it won't compile (type error). In languages that are eager in evaluating boolean expressions, it'll return logical value (i.e. true in this case).
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How does the Comma Operator work
... and never a, (b, c). The latter interpretation could even lead to compile error if elements are of different types.What you may be after is the order of evaluation of the arguments? I am not sure about that, but perhaps you are right: it could happen that c is evaluated before (a, b) even if comma ...
How do I clone a github project to run locally?
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I use @Thiho answer but i get this error:
'git' is not recognized as an internal or external command
For solving that i use this steps:
I add the following paths to PATH:
C:\Program Files\Git\bin\
C:\Program Files\Git\cmd\
In windows 7:
Right-clic...
Set up git to pull and push all branches
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I tried this and got an error on push: fatal: Invalid refspec ''+refs/heads/*:refs/heads/*'' (Note: I'm on git 2.0. I'm still working out how to fix this.)
– Brian Lacy
Dec 22 '15 at 23:04
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How do I initialize an empty array in C#?
... the boun ds of the array. at ArrayClass.Main(String[] args). I faced this error after i changed my int[] variable = new int[]{}
– yogesh
Jan 5 '12 at 10:25
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PostgreSQL delete with inner join
i am getting the following error PostgreSQL 8.2.11
5 Answers
5
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How can you determine a point is between two other points on a line segment?
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That doesn't take rounding errors (inexactness of coordinates) into account.
– bart
Nov 30 '08 at 9:23
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How do I unload (reload) a Python module?
...or any object belonging to the module), then you'll get subtle and curious errors caused by the old code hanging around longer than you expected, and things like isinstance not working across different versions of the same code.
If you have one-way dependencies, you must also reload all modules that...