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LINQ: Distinct values
... will kick in.
The underlying evaluation checks the hash and then short circuits the evaluation if it is false.
Otherwise, it checks the Equals. If you force the hash to be true (by assuming 0 for both objects),
you will always fall through to the Equals chec...
How do I enable file editing in Visual Studio's debug mode?
...he app is debugging and I have to stop what I was doing, kill the app, and then reattempt it. I can't work under these conditions and am really amazed people aren't up in arms about this. This is really killing my productivity and driving me up the wall. There has to be a way to fix this!
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How to disable Golang unused import error
...t will not throw these "unused import" errors. If I leave out these flags, then it returns to the default of not allowing unused imports.
Doing this only required a few simple changes. Go purists will probably not be happy with these changes since there is good reason to not allow unused variables/...
How do exceptions work (behind the scenes) in c++
...bjects are supposed to be small some people put lots of stuff inside them. Then you have the cost of copying the exception object. The solution there is two fold:
Don't put extra stuff in your exception.
Catch by const reference.
In my opinion I would bet that the same code with exceptions is ei...
Difference between 3NF and BCNF in simple terms (must be able to explain to an 8-year old)
...re's a relation R(A, B, C, D, E) and (A, B) and (C, D) are candidate keys. Then AB->D. Since AB is a superkey of R, so R should be in BCNF, right? (Just a question, trying to understand this.)
– peteykun
May 13 '14 at 15:36
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How to call shell commands from Ruby
How do I call shell commands from inside of a Ruby program? How do I then get output from these commands back into Ruby?
20...
How to create a JavaScript callback for knowing when an image is loaded?
...at you pointed to, which is 4.5 years newer. Would that you had asked back then, I could have pointed to it, perhaps. Such is the nature of the web, right? Things get old or are moved or are modified, etc.
– Jason Bunting
May 24 '17 at 20:35
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Detect home button press in android
...ctivity opens and closes or when any activity is paused by home button and then resumed from task manager. Pure playback stopping/resuming in Activity.onPause() and Activity.onResume() interrupted the music for a while, so I had to write the following code:
@Override
public void onResume() {
sup...
Looping through array and removing items, without breaking for loop
...ave the following for loop, and when I use splice() to remove an item, I then get that 'seconds' is undefined. I could check if it's undefined, but I feel there's probably a more elegant way to do this. The desire is to simply delete an item and keep on going.
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How to install python3 version of package via pip on Ubuntu?
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You may want to build a virtualenv of python3, then install packages of python3 after activating the virtualenv. So your system won't be messed up :)
This could be something like:
virtualenv -p /usr/bin/python3 py3env
source py3env/bin/activate
pip install package-name
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