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What does LINQ return when the results are empty
...t actually be wrong. If using linq to entities, the db might shortcut this and no data at all is being sent to the client except a true or false
– Mafii
Aug 15 '16 at 13:28
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What is the reason why “synchronized” is not allowed in Java 8 interface methods?
...odifier on default methods, it turns out that doing so would be dangerous, and so was prohibited.
Synchronized methods are a shorthand for a method which behaves as if the entire body is enclosed in a synchronized block whose lock object is the receiver. It might seem sensible to extend this sem...
Can I see changes before I save my file in Vim?
I use Vim.
I open a file. I edit it and I want to see what I've edited before I save it.
14 Answers
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Expert R users, what's in your .Rprofile? [closed]
I have always found startup profile files of other people both useful and instructive about the language. Moreover, while I have some customization for Bash and Vim , I have nothing for R.
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Can a dictionary be passed to django models on create?
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If title and body are fields in your model, then you can deliver the keyword arguments in your dictionary using the ** operator.
Assuming your model is called MyModel:
# create instance of model
m = MyModel(**data_dict)
# don't forg...
Conversion failed when converting date and/or time from character string while inserting datetime
...e many formats supported by SQL Server - see the MSDN Books Online on CAST and CONVERT. Most of those formats are dependent on what settings you have - therefore, these settings might work some times - and sometimes not.
The way to solve this is to use the (slightly adapted) ISO-8601 date format th...
How to achieve code folding effects in Emacs?
...ntioned somewhere? Type C-sfoo, find the definition, press enter, read it, and then press C-x C-x to go back to where you were. Simple and very useful.
Most modes support imenu. M-ximenu will let you jump to a function definition (etc.) by name. You can also bind it to a mouse click to get a men...
How do I add multiple arguments to my custom template filter in a django template?
I looked into django's docs and book but only found example using a single argument... is it even possible?
9 Answers
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How to distinguish between left and right mouse click with jQuery
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As of jQuery version 1.1.3, event.which normalizes event.keyCode and event.charCode so you don't have to worry about browser compatibility issues. Documentation on event.which
event.which will give 1, 2 or 3 for left, middle and right mouse buttons respectively so:
$('#element').mousedow...
How can I archive git branches?
... the tag. It will effectively restore the branch from the tag.
To archive and delete the branch:
git tag archive/<branchname> <branchname>
git branch -d <branchname>
To restore the branch some time later:
git checkout -b <branchname> archive/<branchname>
The hist...