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Lambda expression to convert array/List of String to array/List of Integers
...like this:
//for lists
List<String> stringList = Arrays.asList("1","2","3");
List<Integer> integerList = convertList(stringList, s -> Integer.parseInt(s));
//for arrays
String[] stringArr = {"1","2","3"};
Double[] doubleArr = convertArray(stringArr, Double::parseDouble, Double[]::ne...
What are the differences between vector and list data types in R?
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edited Jan 29 at 17:20
answered Dec 21 '11 at 19:18
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Static function variables in Swift
... Holder.timesCalled
}
7> foo()
$R0: Int = 1
8> foo()
$R1: Int = 2
9> foo()
$R2: Int = 3
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How can I get the list of a columns in a table for a SQLite database?
...ress varchar);
sqlite> select * from sqlite_master;
table|people|people|2|CREATE TABLE people (first_name varchar, last_name varchar, email_address varchar)
To get column information you can use the pragma table_info(table_name) statement:
sqlite> pragma table_info(people);
0|first_name|var...
Hide the cursor of an UITextField
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279
Simply subclass UITextField and override caretRectForPosition
- (CGRect)caretRectForPosition:...
Tools to search for strings inside files without indexing [closed]
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edited Jan 2 at 19:30
answered Nov 25 '08 at 16:34
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log4net argument to LogManager.GetLogger
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edited Oct 3 '13 at 14:32
Warren Stevens
9171010 silver badges1111 bronze badges
answered Mar 25 '09 a...
How to uninstall editable packages with pip (installed with -e)
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At {virtualenv}/lib/python2.7/site-packages/ (if not using virtualenv then {system_dir}/lib/python2.7/dist-packages/)
remove the egg file (e.g. distribute-0.6.34-py2.7.egg) if there is any
from file easy-install.pth, remove the corresponding line (i...
django test app error - Got an error creating the test database: permission denied to create databas
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382
When Django runs the test suite, it creates a new database, in your case test_finance. The postg...
HintPath vs ReferencePath in Visual Studio
...ccording to this MSDN blog: https://blogs.msdn.microsoft.com/manishagarwal/2005/09/28/resolving-file-references-in-team-build-part-2/
There is a search order for assemblies when building. The search order is as follows:
Files from the current project – indicated by ${CandidateAssemblyFiles}.
$(...