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How do I redirect to the previous action in ASP.NET MVC?
... when I was in the some page and want to get to view I know got error just by entering URL in address bar. Why when I enter URL in Address Bar it can't determine UrlReferrer?
– QMaster
Jan 7 '15 at 12:27
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How to tell which colorscheme a Vim session currently uses
You can set the Vim color scheme by issuing
3 Answers
3
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XPath query to get nth instance of an element
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This is a FAQ:
//somexpression[$N]
means "Find every node selected by //somexpression that is the $Nth child of its parent".
What you want is:
(//input[@id="search_query"])[2]
Remember: The [] operator has higher precedence (priority) than the // abbreviation.
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How do I view the SQLite database on an Android device? [duplicate]
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Here are step-by-step instructions (mostly taken from a combination of the other answers). This works even on devices that are not rooted.
Connect your device and launch the application in debug mode.
You may want to use adb -d shell "ru...
How can I view the shared preferences file using Android Studio?
...on menu next to green arrow 6. On your PC open latest Chrome browser 7. go by chrome://inspect address 8. chose your emulator in list. 9. In opened window go to Resources tab. 10. Find your shared preferences under LocalStorage menu on the left side. 11. In application play with boolean flag
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Forward declaring an enum in C++
... The size of a reference or pointer to a class object is set by the compiler, and independent of the actual size of the object - it is the size of pointers and references. The enum is an object, and its size is needed for the compiler to access the correct storage.
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What exactly are “spin-locks”?
... etc), operating system puts your thread in the WAIT state and preempts it by scheduling other threads on the same core. This has a performance penalty if the wait time is really short, because your thread now has to wait for a preemption to receive CPU time again.
Besides, kernel objects are not av...
How do you get a query string on Flask?
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We can do this by using request.query_string.
Example:
Lets consider view.py
from my_script import get_url_params
@app.route('/web_url/', methods=('get', 'post'))
def get_url_params_index():
return Response(get_url_params())
You a...
Eclipse/Java code completion not working
...you try content assist in a lambda expression it may not be well supported by your Eclipse version.
– Bludwarf
Nov 9 '16 at 15:36
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Appropriate datatype for holding percent values?
... decimal is ANSI compliant, so always use that unless told otherwise (e.g. by your company's coding standards).
Example Scenarios
For your case (0.00% to 100.00%) you'd want decimal(5,4).
For the most common case (0% to 100%) you'd want decimal(3,2).
In both of the above, the check constraints w...