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Python timedelta in years
...000, will turn 18 exactly 6575 days later on January 1, 2018 (5 leap years included), but someone born on January 1, 2001, will turn 18 exactly 6574 days later on January 1, 2019 (4 leap years included). Thus, you if someone is exactly 6574 days old, you can't determine if they are 17 or 18 without...
How do I round a decimal value to 2 decimal places (for output on a page)
...0:C}", d) yield $12.35 - note that the current culture's currency settings including the symbol are used.
Note that "C" uses number of digits from current culture. You can always override default to force necessary precision with C{Precision specifier} like String.Format("{0:C2}", 5.123d).
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Create Generic method constraining T to an Enum
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You don't gain much by including the other interfaces because almost all of the built-in value types implement all of those interfaces. This is especially true for constraints on a generic extension method, which is extremely handy for operating on...
Adding Core Data to existing iPhone project
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Xcode 6+
Starting with Xcode 6, the precompiled header file is no longer included by default. This is because of the introduction of Modules, which take away the need to use precompiled headers. While it is still possible to manually add a PCH file to globally include the CoreData headers, conside...
Differences between Emacs and Vim
...bprocesses. This is nearly by design, whereas in Emacs, these elements are included by design. This means that some stuff, like embedding a debugger or an interpreter (yielding a sort of IDE), is difficult in Vim.
Also, Emacs shortcuts are mainly accessed through modifiers, and obviously the Vim in...
return statement vs exit() in main()
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Another difference:
exit is a Standard Library
function so you need to include
headers and link with the standard
library. To illustrate (in C++),
this is a valid program:
int main() { return 0; }
but to use exit you'll need an include:
#include <stdlib.h>
int main() { exit(EXIT_SUCCE...
What's better at freeing memory with PHP: unset() or $var = null
...n a longer overall execution time.
(Since 2013, that unset man page don't include that section anymore)
Note that until php5.3, if you have two objects in circular reference, such as in a parent-child relationship, calling unset() on the parent object will not free the memory used for the parent re...
Branch descriptions in Git
... to summarizes the changes between two commits to the standard output, and includes the given URL in the generated summary.
[From @AchalDave] Unfortunately, you can't push descriptions since they're stored in your config, making it useless for the sake of documenting branches in a team.
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Whitespace Matching Regex - Java
...lly! Been trying every regex I could find that would match all white space including NON-BREAK-SPACE (ASCII 160)!!!
– Piko
Nov 21 '17 at 18:22
add a comment
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ServiceStack vs ASP.Net Web API [closed]
...view
A single self-contained html page snapshot (i.e. no external refs). Includes embedded JSON web service response - allows programmatic access to data snapshots.
Built-in Mini Profiler (port of the excellent MVC Mini Profiler)
Includes Sql Profiling
JSON/JSONP, XML, JSV, CSV and SOAP end-po...