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Using git to get just the latest revision
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How to assertThat something is null with Hamcrest?
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How to select .NET 4.5.2 as a target framework in Visual Studio
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Using Regex to generate Strings rather than match them
... using regexes to generate strings (random generation, generating a string based on its index, generating all strings...).
Example :
Generex generex = new Generex("[0-3]([a-c]|[e-g]{1,2})");
// generate the second String in lexicographical order that matches the given Regex.
String secondString =...
Programmatically find the number of cores on a machine
...e number of threads that the hardware is capable of executing concurrently based on the number of CPU cores and hyper-threading units.
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C++ Object Instantiation
...es out of scope. The standard library has std::unique_ptr for simple scope-based management, and std::shared_ptr which does reference counting to implement shared ownership.
Many tutorials demonstrate object
instantiation using a snippet such as ...
So what you've discovered is that most tut...
Selecting the first “n” items with jQuery
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How to Correctly Use Lists in R?
.... Lists are re-used for a variety of purposes in R, including forming the base of a data.frame, which is a list of vectors of arbitrary type (but the same length).
Why do these two expressions not return the same result?
x = list(1, 2, 3, 4); x2 = list(1:4)
To add to @Shane's answer, if you wan...
Remove the first character of a string
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Python/postgres/psycopg2: getting ID of row just inserted
...ry small) risk of race conditions, if something inserts a row into the database directly after you, but before your lastval() command returns the current value of the sequence.
– Dave Thomas
Jul 24 '18 at 22:53
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