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Get the index of the object inside an array, matching a condition
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780
As of 2016, you're supposed to use Array.findIndex (an ES2015/ES6 standard) for this:
a = [...
PostgreSQL: Can you create an index in the CREATE TABLE definition?
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120
There doesn't seem to be any way of specifying an index in the CREATE TABLE syntax. PostgreSQL d...
How does git store files?
...er allows trading performance for delta compression quality. The default (10) generally gives decent results, but when space is limited or to speed up network transfers, git gc --aggressive uses value 250, which makes it run very slow, but provide extra compression for history data.
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How do sessions work in Express.js with Node.js?
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edited May 4 '15 at 10:40
Peter Mortensen
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getting date format m-d-Y H:i:s.u from milliseconds
... Microseconds (added in PHP 5.2.2). Note that date() will always generate 000000 since it takes an integer parameter, whereas DateTime::format() does support microseconds if DateTime was created with microseconds.
So use as simple:
$micro_date = microtime();
$date_array = explode(" ",$micro_date...
WiX tricks and tips
...DIR)\Config.wxi?>
<Product ... >
<Package InstallerVersion="200" InstallPrivileges="elevated"
InstallScope="perMachine" Platform="$(var.Platform)"
Compressed="yes" Description="$(var.ProductName)" />
and
<Directory Id="TARGETDIR" Name="SourceDir">
&l...
Correct use of flush() in JPA/Hibernate
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150
Probably the exact details of em.flush() are implementation-dependent.
In general anyway, JPA pr...
How to prove that a problem is NP complete?
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Nov 27 '10 at 23:11
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What is the usefulness of PUT and DELETE HTTP request methods?
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answered Aug 27 '12 at 13:20
GordonGordon
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Nullable vs. int? - Is there any difference?
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answered Oct 26 '10 at 23:16
LukeHLukeH
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