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How to determine the number of days in a month in SQL Server?
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You can use the following with the first day of the specified month:
datediff(day, @date, dateadd(month, 1, @date))
To make it work for every date:
datediff(day, dateadd(day, 1-day(@date), @date),
dateadd(month, 1, dateadd(day, 1-day(@date), @date)))
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How to initialize a dict with keys from a list and empty value in Python?
...s (like collections.defaultdict) as well. The optional second argument specifies the value to use for the keys (defaults to None.)
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What is float in Java?
...ess precise than a double, the conversion cannot be performed implicitly.
If you want to create a float, you should end your number with f (i.e.: 3.6f).
For more explanation, see the primitive data types definition of the Java tutorial.
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List all of the possible goals in Maven 2?
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The goal you indicate in the command line is linked to the lifecycle of Maven. For example, the build lifecycle (you also have the clean and site lifecycles which are different) is composed of the following phases:
validate: validate the project is correct and all necessary informat...
Do you need to use path.join in node.js?
... The only real issue is that Windows command-line processors (or, more specifically, Windows-native command-line utilities) tend to interpret forward slashes as option specifiers rather than path components. Therefore, you need a backslashed path if you need to pass a path to a Windows command run a...
How to get the current time in milliseconds from C in Linux?
...ed obsolete. This means it may be removed from a future version of the specification. Application writers are encouraged to use the clock_gettime function instead of gettimeofday.
Here is an example of how to use clock_gettime:
#define _POSIX_C_SOURCE 200809L
#include <inttypes.h>
#include ...
mysql Foreign key constraint is incorrectly formed error
...traint is incorrectly formed error . I would like to delete table 2 record if table1 record gets deleted. Thanks for any help
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Using backticks around field names
...of mine works at a place which has a policy which bans them, I'm wondering if there's anything wrong with using backticks around field names in MySQL.
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jQuery Validate Required Select
... This shouldn't be the accepted answer because the original poster is specifically asking to use "rules" which is an option that is fed to the validate constructor, and not present in markup. Sometimes you do not have the luxury of modifying the markup. (And personally, I just prefer not to to put ...
Unable to run app in Simulator: Xcode beta 6 iOS 8
...beta
Go to the menu Xcode > Open Developer Tool > iOS Simulator
Even if an error dialog shows up, you still would have access to the iOS Simulator's menu
Select Hardware > Device > Manage Devices
Click on the little + sign at the bottom
Add (if missing) all the devices that you want, or ...