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ASP.NET MVC HandleError
How do I go about the [HandleError] filter in asp.net MVC Preview 5?
I set the customErrors in my Web.config file
6 Ans...
To find whether a column exists in data frame or not
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Assuming that the name of your data frame is dat and that your column name to check is "d", you can use the %in% operator:
if("d" %in% colnames(dat))
{
cat("Yep, it's in there!\n");
}
share
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Can I do a partial revert in GIT
...e reverted files in the staging area. From there, I'd perform a soft reset and add in the changes I really wanted. For an example workflow:
git revert <sha-of-bad-commit> --no-commit
git reset // This gets them out of the staging area
<edit bad file to look like it should, if necessary&g...
Inheriting from a template class in c++
...mplate class Area , which has a member variable T area , a T getArea() and a void setArea(T) member functions.
6 Answ...
JavaScript displaying a float to 2 decimal places
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And you can always use parseFloat(float_num.toFixed(2)) to convert the string back to float while keeping only two decimals.
– Hankrecords
Feb 15 '17 at 15:07
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How to take the first N items from a generator or list in Python? [duplicate]
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and if you want to take the five that follows each time you can use: iter(array) instead of array.
– yucer
Jun 15 '16 at 13:57
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ASP.NET MVC: Unit testing controllers that use UrlHelper
...o the client side so it can do a redirection. I'm using Url.RouteUrl(..) and during my unit tests this fails since the Controller.Url parameter is not pre-filled.
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Saving utf-8 texts in json.dumps as UTF8, not as \u escape sequence
...())
"ברי צקלה"
If you are writing to a file, just use json.dump() and leave it to the file object to encode:
with open('filename', 'w', encoding='utf8') as json_file:
json.dump("ברי צקלה", json_file, ensure_ascii=False)
Caveats for Python 2
For Python 2, there are some more c...
How to show all shared libraries used by executables in Linux?
...t answer (I've up-voted it) but can you explain the "grep -P '\t.*so'" command? According to man, this interprets the pattern as a perl regexp, but my version of grep doesn't support it (man indicates this is a general issue). What bit of the regexp is perl-specific?
– Bobby Ja...
What is the maximum value for an int32?
...correctly in the mirror. Otherwise you'll see 746,384,741,2 which is wrong and would be embarrassing.
– Larry S
Apr 21 '16 at 20:20
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