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Nodejs Event Loop
...output asynchronously. It handles file descriptors, data handlers, sockets etc. You can read more about it here here.
LibUv is an abstraction layer on the top of libeio , libev, c-ares ( for DNS ) and iocp (for windows asynchronous-io). LibUv performs, maintains and manages all the io and events in ...
What does collation mean?
...rt strings: letters order; whether case matters, whether diacritics matter etc.
For instance, if you want all letters to be different (say, if you store filenames in UNIX), you use UTF8_BIN collation:
SELECT 'A' COLLATE UTF8_BIN = 'a' COLLATE UTF8_BIN
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If you want to ignore case and diacr...
How to get the build/version number of your Android application?
...ine instead of calling context.methodName().subMethod().anotherSubMethod() etc. on a single line. Therefore I provided a cleaner solution below
– Michael
Dec 20 '13 at 10:52
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How do I use a Boolean in Python?
...ing')
bool(True) # ;-)
bool(False)
bool(0)
bool(None)
bool(0.0)
bool(1)
etc..
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What does default(object); do in C#?
...he requested type.
For all reference types (defined with class, delegate, etc), this is null. For value types (defined with struct, enum, etc) it's an all-zeroes value (for example, int 0, DateTime 0001-01-01 00:00:00, etc).
It's mostly used with generic code that can be applied to both reference ...
Storing time-series data, relational or non?
... on varying metrics such as CPU utilisation, disk utilisation, temperature etc. at (probably) 5 minute intervals using SNMP. The ultimate goal is to provide visualisations to a user of the system in the form of time-series graphs.
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mysql error 1364 Field doesn't have a default values
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I removed STRICT_TRANS_TABLES from /etc/my.cnf -- in the line starting with sql_mode -- and restarted mysql service and issue went away.
– Mike Volmar
Jan 28 '19 at 13:42
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Why can I use a function before it's defined in JavaScript?
...arsed into executable chunks (variable declarations, function definitions, etc.) But at any point can only use what's been defined in the script before that point.
This is different from other programming contexts that process (compile) all your source code, perhaps link it together with any librar...
How to use performSelector:withObject:afterDelay: with primitive types in Cocoa?
...th a non-object argument (e.g. ints, floats, structs, non-object pointers, etc.).
13 Answers
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What is the difference between Type and Class?
...t template. So is the structure type, the Integer type, the Interface type etc. These are all types
If you want, you can look at it this way: A type is the parent concept. All the other concepts: Class, Interface, Structure, Integer etc inherit from this concept.i.e They are types
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