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Properly close mongoose's connection once you're done
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As you can see, these answers are old. If you're using Mongoose 5.0.4, the Connection.close() method is only exported, only available, so use it.
– Константин Ван
Feb 9 '18 at 7:23
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cancelling queued performSelector:afterDelay calls
does anybody know if it is possible to cancel already queued selector events from the event stack or timer stack (or whatever mechanism it is that is utilized by the API) when you call performSelector:withObject:afterDelay ?
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How to check if a user likes my Facebook Page or URL using Facebook's API
I think I'm going crazy. I can't get it to work.
I simply want to check if a user has liked my page with javascript in an iFrame app.
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How to execute a java .class from the command line
...ory is not in your classpath ( where java looks for .class definitions )
If that's the case and listing the contents of your dir displays:
Echo.java
Echo.class
Then any of this may work:
java -cp . Echo "hello"
or
SET CLASSPATH=%CLASSPATH;.
java Echo "hello"
And later as Fredrik point...
How can I convert a string to upper- or lower-case with XSLT?
...n XSLT 1.0 the upper-case() and lower-case() functions are not available.
If you're using a 1.0 stylesheet the common method of case conversion is translate():
<xsl:variable name="lowercase" select="'abcdefghijklmnopqrstuvwxyz'" />
<xsl:variable name="uppercase" select="'ABCDEFGHIJKLMNOP...
HashSet vs LinkedHashSet
What is the difference between them? I know that
10 Answers
10
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How to delete the contents of a folder?
...r(folder):
file_path = os.path.join(folder, filename)
try:
if os.path.isfile(file_path) or os.path.islink(file_path):
os.unlink(file_path)
elif os.path.isdir(file_path):
shutil.rmtree(file_path)
except Exception as e:
print('Failed to delet...
How can I copy data from one column to another in the same table?
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This will also work if you want to transfer old value to other column and update the first one: UPDATE table SET columnA = 'new value', columnB = columnA. Like other answer says - don't forget the WHERE clause to update only what's needed.
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What's the difference between RouteLink and ActionLink in ASP.NET MVC?
...rst matching route by action name.
RouteLink will generate a URL to a specific route determined either by name or route values.
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Converting string into datetime
... have to know ahead of time to exclude that part of the format string, but if you want a date instead of a datetime, going through datetime handles it nicely: datetime.strptime('Jun 1 2005', '%b %d %Y').date() == date(2005, 6, 1)
– Izkata
Nov 11 '14 at 20:02
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