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Removing numbers from string [closed]
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edited Oct 12 '12 at 3:54
answered Oct 12 '12 at 3:34
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not None test in Python [duplicate]
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1033
if val is not None:
# ...
is the Pythonic idiom for testing that a variable is not set to...
Find an item in List by LINQ?
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IEnumerable<string> results = myList.Where(s => s == search);
3) First will return the first item which matches your criteria:
string result = myList.First(s => s == search);
Note FirstOrDefault() will behave the same, except it will return null for reference types, or the default...
Perl build, unit testing, code coverage: A complete working example
...tTest() IS true test");
# Test argumentTest("false")
my $argumentTestCall3 = HelloPerlBuildWorld::argumentTest("false");
is($argumentTestCall3, "false", "argumentTest() IS false test");
# Test argumentTest(123)
my $argumentTestCall4 = HelloPerlBuildWorld::argumentTest(123);
is($argumentTestCall4...
Using the field of an object as a generic Dictionary key
... Marc Gravell♦Marc Gravell
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What is the difference between ELF files and bin files?
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answered Mar 11 '10 at 17:30
t0mm13bt0mm13b
32.3k66 gold badges6767 silver badges101101 bronze badges
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When is the thread pool used?
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edited May 23 '17 at 12:26
Community♦
111 silver badge
answered Mar 25 '14 at 19:44
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SparseArray vs HashMap
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SparseArray can be used to replace HashMap when the key is a primitive type.
There are some var...
Difference between method and function in Scala
...reference.
First, let's see what the Scala Specification tell us. Chapter 3 (types) tell us about Function Types (3.2.9) and Method Types (3.3.1). Chapter 4 (basic declarations) speaks of Value Declaration and Definitions (4.1), Variable Declaration and Definitions (4.2) and Functions Declarations ...
Optimise PostgreSQL for fast testing
...memory limit if you increase shared_buffers on PostgreSQL 9.2 and below; 9.3 and above changed how they use shared memory to avoid that.
If you're using a just a couple of connections that do lots of work, increase work_mem to give them more RAM to play with for sorts etc. Beware that too high a wo...