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When is it right for a constructor to throw an exception?
...
A constructor should throw an exception when it is unable to complete the construction of said object.
For example, if the constructor is supposed to allocate 1024 KB of ram, and it fails to do so, it should throw an exception, this way the caller of the constructor knows th...
How to add global ASP.Net Web Api Filters?
...pi filter (using System.Web.Http.Filters.ActionFilterAttribute ) but I am unable to get it to work inside of ASP.Net MVC 4. I tried adding it to the RegisterGlobalFilters() method but that didn't work.
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Using the slash character in Git branch name
...not with creating branch with slash in name.
$ git branch foo/bar
error: unable to resolve reference refs/heads/labs/feature: Not a directory
fatal: Failed to lock ref for update: Not a directory
The above error message talks about 'labs/feature' branch, not 'foo/bar' (unless it is a mistake in ...
Determine if Android app is being used for the first time
... (NameNotFoundException e) {
Log.w(Constants.LOG,
"Unable to determine current app version from pacakge manager. Defenisvely assuming normal app start.");
}
return appStart;
}
public AppStart checkAppStart(int currentVersionCode, int lastVersionCode) {
if (lastVe...
Truncating floats in Python
...ng[:cut_point]
else:
raise ValueError('Unable to find floating-point literal (this probably means you called {} with a variable)'.format(current_frame[3]))
break
finally:
del s, current_frame, caller_frame
Generalizing this to handle ...
Table header to stay fixed at the top when user scrolls it out of view with jQuery
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I was unable to get this to work. From a quick google it looks like position: sticky will not work with table elements.
– rjh
Jul 27 '17 at 7:26
...
Compare DATETIME and DATE ignoring time portion
...arc's answer is that both datefields have been typecast, meaning you'll be unable to leverage any indexes.
So, if there is a need to write a query that can benefit from an index on a date field, then the following (rather convoluted) approach is necessary.
The indexed datefield (call it DF1) must...
Static methods in Python?
... I am using python 2.7.12, with @staticmethod decorator I am unable to call first static method defined. Its givin error : TypeError: 'staticmethod' object is not callable
– Supratim Samantray
Jul 23 '17 at 8:07
...
Going from a framework to no-framework [closed]
...o work within the structure that the framework imposes and b) you are thus unable to benefit from the efficiencies that the framework enables.
I urge you to stick with it. Go back to the beginning with the video tutorials. Find and read other peoples code until you understand it. Build your pr...
MySQL error: key specification without a key length
...ry key or index. With full BLOB or TEXT without the length value, MySQL is unable to guarantee the uniqueness of the column as it’s of variable and dynamic size. So, when using BLOB or TEXT types as an index, the value of N must be supplied so that MySQL can determine the key length. However, MySQ...