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Null or default comparison of generic argument in C#
... @Jordan here's the IL for that - as you can see, it clearly boxes. Now, whether boxing is an issue for you is contextual. It clearly won't matter for your example since the program exits straight away. However, every box is an allocation. If you deal with anything non-trivial, avoiding unnec...
How to enable PHP's openssl extension to install Composer?
...ne extension=php_openssl.dll by removing the semicolon at the beginning.
Now you are good to install Composer.
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Calculate the number of business days between two dates?
... lastDay.DayOfWeek == DayOfWeek.Sunday
? 7 : (int)lastDay.DayOfWeek;
Now the result is:
Friday to Friday -> 1
Saturday to Saturday -> 0
Sunday to Sunday -> 0
Friday to Saturday -> 1
Friday to Sunday -> 1
Friday to Monday -> 2
Saturday to Monday -> 1
Sunday to Monday ->...
What does the “Just” syntax mean in Haskell?
...nctionality.
Hopefully you understand the Maybe type and its constructors now, but if there is still anything unclear, let me know!
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Update R using RStudio
...ork for you, try using installed.packages()
to find the proper pathnames.]
now you can update your packages by typing update.packages() in your RStudio console, and answering 'y' to all of the prompts.
> update.packages(checkBuilt=TRUE)
class :
Version 7.3-7 installed in /Library/Frameworks/R.f...
creating a random number using MYSQL
I would like to know is there a way to select randomly generated number between 100 and 500 along with a select query.
6 A...
Hidden features of HTML
...
This is a neat feature I did not know about!
– Chrisb
Jul 27 '09 at 15:52
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Correct way of using JQuery-Mobile/Phonegap together?
...en't included using the <script> tag.
– Chris Snow
Feb 21 '15 at 11:05
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PHP - how to best determine if the current invocation is from CLI or web server?
...on that next year there may be new ways to use PHP that we can't possibly know now. I'd rather not think about it when all I care about is weather I should wrap my output in HTML or not.
Fortunately, PHP has a way to check for this specifically. Just use http_response_code() without any parameters ...
How to Add Stacktrace or debug Option when Building Android Studio Project
... 0.8.10, the option is no longer in the Compiler > Gradle section, it's now in a separate section named Compiler (Gradle-based Android Project))
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