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Get decimal portion of a number with JavaScript
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In order to work with negative number, simply swap Math.floor with Math.trunc.
– Igor Silva
Oct 19 '18 at 12:49
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Select distinct values from a table field
...els.CharField(max_length=150)
# some of your models may have explicit ordering
class Meta:
ordering = ('city')
Since you may have the Meta class ordering attribute set, you can use order_by() without parameters to clear any ordering when using distinct(). See the documentation und...
How do I find which rpm package supplies a file I'm looking for?
...age (i.e. it resides in /sbin). However, rpm -qf ... also requires root in order to read rpms from /sbin. Therefore, I propose that the root requirements are functionally equivalent for both methods.
– StockB
Oct 31 '17 at 14:28
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How to use PrimeFaces p:fileUpload? Listener method is never invoked or UploadedFile is null / throw
...se they use annotations (e.g. PrettyFaces), you might need to add explicit ordering via web.xml. See How to define servlet filter order of execution using annotations in WAR
Only if you're using the PrimeFaces file upload filter: There's another Filter in your webapp which runs before the PrimeFaces...
Fluent and Query Expression — Is there any benefit(s) of one over other?
...var query =
from fullName in fullNames
from name in fullName.Split()
orderby fullName, name
select name + " came from " + fullName;
Now compare this to the same thing in method syntax:
var query = fullNames
.SelectMany (fName => fName.Split().Select (name => new { name, fName } ))...
When to use extern in C++
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Java OCR implementation [closed]
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Is there a way to suppress warnings in Xcode?
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In order to surpress a warning for an individual file do the following:
select the file in the xcode project.
press get info
go to the page with build options
enter -Wno- to negate a warning:
-Wno-
e.g.
-Wno-unused-pa...
Is there a standard naming convention for git tags? [closed]
... Prefixing 'v' is also quite useful when sorting tags in alphabetical order. Other tags may also exist; whether officially in a master repository or to track a developer's work locally. With 'v' prefixes the release tags form their own group, instead of being scattered all over the rest of the ...
Clear the cache in JavaScript
...eshs[j] + 'k=' + key );
scripts[i].src = new_src; // change src in order to refresh js
}
}
}
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