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Nullable type issue with ?: Conditional Operator
... has been asked a bunch of times already. The compiler is telling you that it doesn't know how convert null into a DateTime.
The solution is simple:
DateTime? foo;
foo = true ? (DateTime?)null : new DateTime(0);
Note that Nullable<DateTime> can be written DateTime? which will save you a bu...
What are file descriptors, explained in simple terms?
... like (...100, 101, 102....). This entry number is the file descriptor.
So it is just an integer number that uniquely represents an opened file in operating system.
If your process opens 10 files then your Process table will have 10 entries for file descriptors.
Similarly when you open a network so...
MVC Razor dynamic model, 'object' does not contain definition for 'PropertyName'
Using MVC 3 with Razor view engine.
I have this View:
8 Answers
8
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What is the best way to compare floats for almost-equality in Python?
It's well known that comparing floats for equality is a little fiddly due to rounding and precision issues.
15 Answers
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Dynamic array in C#
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edited May 8 '15 at 23:16
John Saunders
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Facebook Open Graph not clearing cache
I'm having troubles with my meta tags with Open Graph. It seems as though Facebook is caching old values of my meta tags. Old values for Attributes og:title and og:url are still used, even though I have changed them already.
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How to use unicode characters in Windows command line?
...t in Team Foundation Server (TFS) that has a non-English character (š) in it. When trying to script a few build-related things we've stumbled upon a problem - we can't pass the š letter to the command-line tools. The command prompt or what not else messes it up, and the tf.exe utility can't fi...
Why does my 'git branch' have no master?
I'm a git newbie and I keep reading about a "master" branch. Is "master" just a conventional name that people used or does it have special meaning like HEAD ?
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Set value for particular cell in pandas DataFrame using index
...0), is far and away faster than the options I've suggested below. However, it has been slated for deprecation.
Going forward, the recommended method is .iat/.at.
Why df.xs('C')['x']=10 does not work:
df.xs('C') by default, returns a new dataframe with a copy of the data, so
df.xs('C')['x']=10...
How to filter specific apps for ACTION_SEND intent (and set a different text for each app)
...answers given. Hopefully someone can help. I would like to provide the ability to share within an app. Following Android Dev Alexander Lucas' advice , I'd prefer to do it using intents and not using the Facebook/Twitter APIs.
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