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How to deal with persistent storage (e.g. databases) in Docker
...nly container pattern must be abandoned in favour of the new volumes.
Actually the volume API is only a better way to achieve what was the data-container pattern.
If you create a container with a -v volume_name:/container/fs/path Docker will automatically create a named volume for you that can:
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How to get just the parent directory name of a specific file
...ame FilenameUtils class to grab the name from the result, use lastIndexOf, etc.
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What's the difference between equal?, eql?, ===, and ==?
...used in encryption algorithms, database indexing, file integrity checking, etc. Some programming languages, such as Ruby, provide a collection type called hash table. Hash tables are dictionary-like collections which store data in pairs, consisting of unique keys and their corresponding values. Unde...
What is the difference between print and puts?
... There is another thing ... extend the array class and override the to_s method. puts doesn't use the new to_s for an object of your new class while print does
– kapv89
Oct 28 '12 at 18:30
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How to make modal dialog in WPF?
...indow to the main window. This will avoid weird behavior when Alt+Tabbing, etc.
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JavaScript closures vs. anonymous functions
...lexical grand parent function, in the lexical grand-grand parent function, etc.
This can be seen as a scope chain; scope of current function -> scope of lexical parent function -> scope of lexical grand parent function -> ... until the last parent function that has no lexical parent.
Th...
PostgreSQL - Rename database
...isconnect from the database to be renamed
\c postgres
-- force disconnect all other clients from the database to be renamed
SELECT pg_terminate_backend( pid )
FROM pg_stat_activity
WHERE pid <> pg_backend_pid( )
AND datname = 'name of database';
-- rename the database (it should now have...
POST unchecked HTML checkboxes
... Hard to believe authors designed it this way. Why not to send all input fields with some default value for those not checked :( It would be much clearer solution then having to implement some hidden fields "hack". It must have been clear that it is going to be needed and they had to see...
Obtain Bundle Identifier programmatically
...n approach to get the value. ARC example is following:
NSString *value = (__bridge_transfer NSString *)CFDictionaryGetValue(CFBundleGetInfoDictionary(CFBundleGetMainBundle()),
(const void *)(@"CFBundleIdentifier"));
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How to get jQuery dropdown value onchange event
...nswered Nov 12 '13 at 7:00
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