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Difference between Destroy and Delete
...ary key, and no callbacks are executed.
To enforce the object's before_destroy and after_destroy callbacks or any :dependent association options, use #destroy.
ActiveRecord::Persistence.destroy
Deletes the record in the database and freezes this instance to reflect that no changes should b...
What Vim command(s) can be used to quote/unquote words?
...ile converting some MSDOS scripts to bash.
– ILMostro_7
Mar 26 '14 at 7:57
@Geoff, it works fine for single quotes. bu...
What is the difference between atomic and critical in OpenMP?
...
The effect on g_qCount is the same, but what's done is different.
An OpenMP critical section is completely general - it can surround any arbitrary block of code. You pay for that generality, however, by incurring significant overhead eve...
How do I delete an exported environment variable?
Before installing gnuplot, I set the environment variable GNUPLOT_DRIVER_DIR = /home/gnuplot/build/src . During the installation, something went wrong.
...
How do I join two lists in Java?
... For the casual reader, here is a shorter solution using also Java _ Streams: stackoverflow.com/a/34090554/363573
– Stephan
Oct 4 '16 at 13:16
7
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How to detect if URL has changed after hash in JavaScript
...e that there's no native support for this...
– wasddd_
Nov 14 '18 at 18:33
1
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“open/close” SqlConnection or keep open?
...ion()) {} public SqlConnection GetConnection() { return new SqlConnection(_connectionString); }
– ganders
Jan 23 at 17:12
...
Generating Random Passwords
...Define default min and max password lengths.
private static int DEFAULT_MIN_PASSWORD_LENGTH = 8;
private static int DEFAULT_MAX_PASSWORD_LENGTH = 10;
// Define supported password characters divided into groups.
// You can add (or remove) characters to (from) these groups.
priv...
Seeking useful Eclipse Java code templates [closed]
...ory)}
private static final Logger LOG = LoggerFactory.getLogger(${enclosing_type}.class);
Log4J 2
${:import(org.apache.logging.log4j.LogManager,org.apache.logging.log4j.Logger)}
private static final Logger LOG = LogManager.getLogger(${enclosing_type}.class);
Log4J
${:import(org.apache.log4j....
Imitate Facebook hide/show expanding/contracting Navigation Bar
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@PedroRomão great answer.
– Gagan_iOS
Dec 20 '16 at 8:01
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