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Eclipse says: “Workspace in use or cannot be created, chose a different one.” How do I unlock a work
... process from all users' and there was this java.exe that I had to kill in order to get back my workspace.
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jQuery first child of “this”
... pure DOM solution, but in jsperf tests under Chrome 24 it was a couple of orders of magnitude faster than any other jQuery selector-based method.
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Why does (0 < 5 < 3) return true?
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Order of operations causes (0 < 5 < 3) to be interpreted in javascript as ((0 < 5) < 3) which produces (true < 3) and true is counted as 1, causing it to return true.
This is also why (0 < 5 < 1) returns...
How can I convert a long to int in Java?
...ger, it actually returns a different 32-bit integer with the same 32 lower order bits. With objects, you cast to a more specific child class, but with primitve types, a cast is not really a cast, but a conversion.
– dspyz
Dec 6 '10 at 18:09
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Can a project have multiple origins?
...d origin. The rest of the links need to have different names.
Therefore in order to properly answer this questi
MySQL and GROUP_CONCAT() maximum length
... blength
FROM some_table
ORDER BY blength DESC
LIMIT 1) AS sub1) AS result) AS sub2;
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How to change Vagrant 'default' machine name?
...onfigure('2') do |config|
config.vm.box = "precise64"
config.vm.box_url = "http://files.vagrantup.com/precise64.box"
end
VirtualBox GUI Name: "nametest_default_1386347922"
Comments: The name defaults to the format DIRECTORY_default_TIMESTAMP.
Define VM
Vagrant.configure('2') do |config...
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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Test or check if sheet exists
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You don't need error handling in order to accomplish this. All you have to do is iterate over all of the Worksheets and check if the specified name exists:
For i = 1 To Worksheets.Count
If Worksheets(i).Name = "MySheet" Then
exists = True
En...
Find difference between timestamps in seconds in PostgreSQL
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Try:
SELECT EXTRACT(EPOCH FROM (timestamp_B - timestamp_A))
FROM TableA
Details here: EXTRACT.
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