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Max or Default?
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Although DefaultIfEmpty is now implemented in LINQ to SQL, this answer remains better IMO, as using DefaultIfEmpty results in a SQL statement 'SELECT MyCounter' that returns a row for every value being summed, whereas this answer results in MAX(MyCount...
How to unstage large number of files without deleting the content
...these items before. $ git reset HEAD fatal: ambiguous argument 'HEAD': unknown revision or path not in the working tree. Use '--' to separate paths from revisions
– sarat
Aug 18 '11 at 7:17
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Python nested functions variable scoping [duplicate]
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+1 I was confused, but now I see what happens. I'm a c# programmer and every time I begin to like Python something like this comes up and ruins it for me.
– nima
Dec 19 '12 at 14:14
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Good or bad practice for Dialogs in wpf with MVVM?
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I've been using an almost identical approach for several months now, and I'm very happy with it (i.e. I haven't yet felt the urge to rewrite it completely...)
In my implementation, I use a IDialogViewModel that exposes things such as the title, the standad buttons to show (in order to ha...
What does an exclamation mark mean in the Swift language?
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OK. So the docs talk about using ! when you know for sure it can be unwrapped. But you can run the code fine without it (a forth option for your list - implicit unwrapping) AND without checking first. You get back the value or nil if nil. But if you know for sure that ...
How to use enums in C++
...Days { Saturday, Sunday, Monday, Tuesday, Wednesday, Thursday, Friday };
Now, Saturday, Sunday, etc. can be used as top-level bare constants,and Days can be used as a type:
Days day = Saturday; // Days.Saturday is an error
And similarly later, to test:
if (day == Saturday)
// ...
These...
git mv and only change case of directory
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Thanks. This was driving me crazy. I didn't know about the -A or the --amend option.
– oschrenk
Jun 10 '10 at 5:18
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How can I get the diff between all the commits that occurred between two dates with Git?
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@brbob I know this was answered a long time ago, but just for someone who stumbles upon this (as I did) Git help says: The command is kept primarily for historical reasons; fingers of many people who learned Git long before git log was...
Python time measure function
...o make it a function, then you can choose the second method.
For example, now you have
images = get_images()
bigImage = ImagePacker.pack(images, width=4096)
drawer.draw(bigImage)
Now you want to time the bigImage = ... line. If you change it to a function, it will be:
images = get_images()
bitI...
How does SSL really work?
...ings they are allowed to sign (other certificates), and their public key.
Now if I have a copy of that Verisign certificate, I can use that to validate the signature on the server certificate for the website I want to visit. Easy, right?!
Well, not so fast. I had to get the Verisign certificate fr...