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How to put multiple statements in one line?
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with regards to the 'try' question ... What If, I know at some point it is going to throw an exception but I just want the code to continue running ... for instance, to check if a string can be an integer try: int(string) ... If it can't, then just continue to the next line, ...
Altering a column to be nullable
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Although I don't know what RDBMS you are using, you probably need to give the whole column specification, not just say that you now want it to be nullable. For example, if it's currently INT NOT NULL, you should issue ALTER TABLE Merchant_Pend...
Installed Ruby 1.9.3 with RVM but command line doesn't show ruby -v
...thing to RVM that produces lots of errors, the only safe way of fixing for now is to:
sudo apt-get --purge remove ruby-rvm
sudo rm -rf /usr/share/ruby-rvm /etc/rvmrc /etc/profile.d/rvm.sh
open new terminal and validate environment is clean from old RVM settings (should be no output):
env | grep ...
Angularjs code/naming conventions [closed]
Does anyone know if exists any official or most accepted reference for Angular naming conventions to use when we build our applications?
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How to append text to a text file in C++?
...epath, string line)
{
std::ofstream file;
//can't enable exception now because of gcc bug that raises ios_base::failure with useless message
//file.exceptions(file.exceptions() | std::ios::failbit);
file.open(filepath, std::ios::out | std::ios::app);
if (file.fail())
thro...
Why does 2 mod 4 = 2?
...nder is 0 or no bananas left when you shared all 6 bananas on 6 people.
Now, for 7 bananas and 6 people in group, you then will have 7 mod 6 = 1, this because you gave 6 people 1 banana each, and 1 banana is the remainder.
For 12 mod 6 or 12 bananas shared on 6 people, each one will have two ba...
Displaying the #include hierarchy for a C++ file in Visual Studio
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There is now a plugin for Visual Studio called IncludeToolbox. It can list your dependent includes and do more things like a random remove and compile to see if that include was required.
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Why use the 'ref' keyword when passing an object?
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i dont know why visual studio still doesnt show explicitly what is passed
– MonsterMMORPG
Apr 5 '17 at 12:09
3
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Check if item is in an array / list
...(lambda x : x == 5, nums)) > 0)
This solution is more robust. You can now check whether any number satisfying a certain condition is in your array nums.
For example, check whether any number that is greater than or equal to 5 exists in nums:
(len(filter (lambda x : x >= 5, nums)) > 0)
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Getting attributes of Enum's value
I would like to know if it is possible to get attributes of the enum values and not of the enum itself? For example, suppose I have the following enum :
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