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Deleting an element from an array in PHP
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unset can have multiple arguments: void unset ( mixed $var [, mixed $... ] ).
– Константин Ван
Apr 14 '17 at 3:12
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Relational Database Design Patterns? [closed]
...first normal form by having an array or sequence of values in the columns.
Mixed-use database. This is a database normalized for transaction processing but with lots of extra indexes for reporting and analysis. It's an anti-pattern -- don't do this. People do it anyway, so it's still a pattern.
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Mismatch Detected for 'RuntimeLibrary'
.../ML, /MT, /LD (Use Run-Time Library) on MSDN
Build errors with VC11 Beta - mixing MTd libs with MDd exes fail to link on Bugzilla@Mozilla
UPDATE: (This is in response to a comment that asks for the reason that this much care must be taken.)
If two pieces of code that we are linking together are t...
Any reason to prefer getClass() over instanceof when generating .equals()?
... check for type match in an implementation of equals() . A class can allow mixed-type comparison between super- and subclass objects by means of the instanceof operator, or a class can treat objects of different type as non-equal by means of the getClass() test. The examples above illustrated nicely...
Are PostgreSQL column names case-sensitive?
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The column names which are mixed case or uppercase have to be double quoted in PostgresQL. So best convention will be to follow all small case with underscore.
share
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Using str_replace so that it only acts on the first match?
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Why not genericize this like: str_replace_flexible(mixed $s, mixed $r, int $offset, int $limit) where the function replaces $limit occurrences starting at the $offset (nth) match.
– Adam Friedman
May 23 '14 at 19:09
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How to add a Timeout to Console.ReadLine()?
...else
Console.WriteLine("Hello, {0}!", name);
In both cases, you cannot mix calls to Reader with normal Console.ReadLine calls: if the Reader times out, there will be a hanging ReadLine call. Instead, if you want to have a normal (non-timed) ReadLine call, just use the Reader and omit the timeout...
How to convert a Title to a URL slug in jQuery?
...itespace ");
// "string-with-leading-and-trailing-whitespace"
slugify("mIxEd CaSe TiTlE");
// "mixed-case-title"
slugify("string with - existing hyphens -- ");
// "string-with-existing-hyphens"
slugify("string with Special™ characters");
// "string-with-special-characters"
Thanks to Andrew...
Big O of JavaScript arrays
...se arrays (or if you have to, expect worse performance). Avoid arrays with mixed datatypes (as that makes internal representations more complex).
If you really want to optimize for a certain engine (and version), check it's sourcecode for the absolute answer.
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How to set or change the default Java (JDK) version on OS X?
...5-b14-462-11M4609)
Java HotSpot(TM) 64-Bit Server VM (build 20.65-b04-462, mixed mode)
Add the export JAVA_HOME… line to your shell’s init file.
For Bash (as stated by antonyh):
export JAVA_HOME=$(/usr/libexec/java_home -v 1.8)
For Fish (as stated by ormurin)
set -x JAVA_HOME (/usr/libexec/jav...