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In C#, what happens when you call an extension method on a null object?
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That will work fine (no exception). Extension methods don't use virtual calls (i.e. it uses the "call" il instruction, not "callvirt") so there is no null check unless you write it yourself in the extension method. This is actually useful...
Python: Find in list
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As for your first question: that code is perfectly fine and should work if item equals one of the elements inside myList. Maybe you try to find a string that does not exactly match one of the items or maybe you are using a float value which suffers from inaccuracy.
As for your second question:...
Detect application heap size in Android
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There are two ways to think about your phrase "application heap size available":
How much heap can my app use before a hard error is triggered? And
How much heap should my app use, given the constraints of the Android OS version and hardware of the...
Emacs: print key binding for a command or list all key bindings
...ibe-mode) is also handy to list bindings by mode.
You might also try C-h k (M-x describe-key) to show what command is bound to a key. For instance, on my machine save-buffers-kill-emacs isn't bound to anything, but C-h k C-x C-c tells me that C-x C-c is bound to save-buffers-kill-terminal. It will...
How do I ignore all files in a folder with a Git repository in Sourcetree?
I have a Bitbucket Git repository managed with Sourcetree.
10 Answers
10
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How do I create and read a value from cookie?
How can I create and read a value from a cookie in JavaScript?
19 Answers
19
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Why is using a wild card with a Java import statement bad?
It is much more convenient and cleaner to use a single statement like
15 Answers
15
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URLWithString: returns nil
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gerry3gerry3
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How to amend older Git commit? [duplicate]
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git rebase -i HEAD^^^
Now mark the ones you want to amend with edit or e (replace pick). Now save and exit.
Now make your changes, then
git add .
git rebase --continue
If you want to add an extra delete remove the options from the commit command. If ...
How to check if a DateTime occurs today?
Is there a better .net way to check if a DateTime has occured 'today' then the code below?
13 Answers
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