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Best way to remove from NSMutableArray while iterating?
... multiple objects that fit a certain criteria, what's the best way to do this without restarting the loop each time I remove an object?
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Constants in Objective-C
...used in mixed C/C++ environments or on other platforms)
You can include this file in each file that uses the constants or in the pre-compiled header for the project.
You define these constants in a .m file like
// Constants.m
NSString *const MyFirstConstant = @"FirstConstant";
NSString *const My...
Neo4j - Cypher vs Gremlin query language
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For general querying, Cypher is enough and is probably faster. The advantage of Gremlin over Cypher is when you get into high level traversing. In Gremlin, you can better define the exact traversal pattern (or your own algorithms) whereas in Cypher the ...
How to UPSERT (MERGE, INSERT … ON DUPLICATE UPDATE) in PostgreSQL?
A very frequently asked question here is how to do an upsert, which is what MySQL calls INSERT ... ON DUPLICATE UPDATE and the standard supports as part of the MERGE operation.
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Where is the “Create Unit Tests” selection?
I have installed the new Visual Studio 2012 Ultimate.
9 Answers
9
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How to store standard error in a variable
...ure the error file thus:
ERROR=$(</tmp/Error)
The shell recognizes this and doesn't have to run 'cat' to get the data.
The bigger question is hard. I don't think there's an easy way to do it. You'd have to build the entire pipeline into the sub-shell, eventually sending its final standard o...
How to version REST URIs
What is the best way to version REST URIs? Currently we have a version # in the URI itself, ie.
11 Answers
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Java Runtime.getRuntime(): getting output from executing a command line program
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Here is the way to go:
Runtime rt = Runtime.getRuntime();
String[] commands = {"system.exe", "-get t"};
Process proc = rt.exec(commands);
BufferedReader stdInput = new BufferedReader(new
InputStreamReader(proc.getInputStre...
How to determine CPU and memory consumption from inside a process?
... above values are easily available from the appropriate WIN32 API, I just list them here for completeness. Others, however, need to be obtained from the Performance Data Helper library (PDH), which is a bit "unintuitive" and takes a lot of painful trial and error to get to work. (At least it took me...
Convert HTML + CSS to PDF [closed]
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Important:
Please note that this answer was written in 2009 and it might not be the most cost-effective solution today in 2019. Online alternatives are better today at this than they were back then.
Here are some online services that you can use:
PDFSh...