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How can I check if multiplying two numbers in Java will cause an overflow?
I want to handle the special case where multiplying two numbers together causes an overflow. The code looks something like this:
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Should I index a bit field in SQL Server?
...worth doing. I admit I don't know enough about how indexes work to understand why that is.
19 Answers
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How to make my custom type to work with “range-based for loops”?
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The standard has been changed since the question (and most answers) were posted in the resolution of this defect report.
The way to make a for(:) loop work on your type X is now one of two ways:
Create member X::begin() and X::end...
How to add one day to a date? [duplicate]
...boundaries. Make sure you are calling getTime() on your Calendar instance, and not get(...). Also note that months are from 0-11, but days are from 1-31.
– Daniel Rikowski
Jan 30 '18 at 10:37
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JavaScript private methods
... every object instance, it creates a separate function bound to the object and not the class. Also, this does not get garbage collected until the object itself is destroyed.
– Arindam
Feb 6 '12 at 22:37
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HTML5 Canvas Resize (Downscale) Image High Quality?
... : to build the smaller image, they will just pick ONE pixel in the source and use its value for the destination. which 'forgets' some details and adds noise.
Yet there's an exception to that : since the 2X image downsampling is very simple to compute (average 4 pixels to make one) and is used fo...
How to determine if a decimal/double is an integer?
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IMHO, the modulus operator and floating point numbers just don't mix in any way useful. The code suggested is incredibly confusing given the number of keystrokes used and will work almost nowhere outside of .NET languages. I would bet it's also much sl...
No identities were available - administrator request
...my app. I think there are invalid profiles because of iPhone Update to 5.1 and XCode update to 4.2.2.
13 Answers
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Find which version of package is installed with pip
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As of pip 1.3, there is a pip show command.
$ pip show Jinja2
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Name: Jinja2
Version: 2.7.3
Location: /path/to/virtualenv/lib/python2.7/site-packages
Requires: markupsafe
In older versions, pip freeze and grep should do the job nicely.
$ pip freeze | grep Ji...
Getting multiple keys of specified value of a generic Dictionary?
...tionary? Not that it is important or anything, just curious to if I understand things correctly here...
– Svish
Aug 4 '09 at 14:14
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