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Update a column value, replacing part of a string
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UPDATE urls
SET url = REPLACE(url, 'domain1.com/images/', 'domain2.com/otherfolder/')
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Mapping enum to string in hibernate
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182
Yes, is possible. It should be:
@Enumerated(EnumType.STRING)
@Column(name = "category_type")
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Use a list of values to select rows from a pandas dataframe [duplicate]
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How to change owner of PostgreSql database?
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edited Feb 20 '13 at 12:26
ctford
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Which concurrent Queue implementation should I use in Java?
..., ArrayBlockingQueue is a queue of a fixed size. So if you set the size at 10, and attempt to insert an 11th element, the insert statement will block until another thread removes an element. The fairness issue is what happens if multiple threads try to insert and remove at the same time (in other wo...
Creating Threads in python
...tion(arg):
for i in range(arg):
print("running")
sleep(1)
if __name__ == "__main__":
thread = Thread(target = threaded_function, args = (10, ))
thread.start()
thread.join()
print("thread finished...exiting")
Here I show how to use the threading module to creat...
Wix: single MSI instead of msi + cab
My Wix project creates install.msi and cab1.cab. How can I have it bundle everything into the msi? I will likely use 7-zip SFX to work around this but I have seen other apps with only a single msi.
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Xcode variables
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148
The best source is probably Apple's official documentation. The specific variable you are look...
How do I query for all dates greater than a certain date in SQL Server?
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select *
from dbo.March2010 A
where A.Date >= Convert(datetime, '2010-04-01' )
In your query, 2010-4-01 is treated as a mathematical expression, so in essence it read
select *
from dbo.March2010 A
where A.Date >= 2005;
(2010 minus 4 ...
Are non-synchronised static methods thread safe if they don't modify static class variables?
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212
This method is 100% thread safe, it would be even if it wasn't static. The problem with thread-...