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Performance - Date.now() vs Date.getTime()
...y; performance is a little better with .now()):
var t1 = Date.now();
var t2 = new Date().getTime();
However, the time value from any already-created Date instance is frozen at the time of its construction (or at whatever time/date it's been set to). That is, if you do this:
var now = new Date();...
Increasing the timeout value in a WCF service
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edited Aug 20 '13 at 10:39
Buh Buh
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How does Rails keep track of which migrations have run for a database?
...g row from schema_migrations.
For example, running a migration file named 20120620193144_create_users.rb will insert a new row with a version of 20120620193144 into the schema_migrations table.
You are free at any point to introduce migrations with earlier versions. Rails will always run any new m...
Python argparse command line flags without arguments
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edited Oct 24 '19 at 13:12
Jean-François Corbett
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Is there a difference between foo(void) and foo() in C++ or C?
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321
In C:
void foo() means "a function foo taking an unspecified number of arguments of unspeci...
iPhone - Grand Central Dispatch main thread
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296
Dispatching a block to the main queue is usually done from a background queue to signal that s...
How to create file execute mode permissions in Git on Windows?
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625
There's no need to do this in two commits, you can add the file and mark it executable in a sin...
Init method in Spring Controller (annotation version)
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241
You can use
@PostConstruct
public void init() {
// ...
}
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Stash changes while keeping the changes in the working directory in Git
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Cirelli94
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answered Jul 25 '13 at 3:31
user456814user456814
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Difference between jQuery’s .hide() and setting CSS to display: none
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From the jQuery page about .hide():
"The matched elements will be hidden immediately, with...