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How do I drop a foreign key constraint only if it exists in sql server?
... if we find it, the name will not be null
if @name is not null
begin
set @sql = 'alter table Badges drop constraint ' + replace(@name,']', ']]')
exec (@sql)
end
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How to create a numpy array of all True or all False?
In Python, how do I create a numpy array of arbitrary shape filled with all True or all False?
7 Answers
...
Code for Greatest Common Divisor in Python [closed]
... before it is assigned. You assigned y to x first, so now y is going to be set to 0 (as y % y is always 0).
– Martijn Pieters♦
Mar 19 '15 at 16:54
1
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Can you get DB username, pw, database name in Rails?
...l
development:
database: app_development
<<: *mysql
# Do not set this db to the same as development or production.
test:
database: app_test
<<: *mysql
ref: http://effectif.com/articles/database-yml-should-be-checked-in
...
How to check if a process is running via a batch script
... file. At the end I could find a fairly simple solution, so I share it...
SETLOCAL EnableExtensions
set EXE=myprog.exe
FOR /F %%x IN ('tasklist /NH /FI "IMAGENAME eq %EXE%"') DO IF %%x == %EXE% goto FOUND
echo Not running
goto FIN
:FOUND
echo Running
:FIN
This is working for me nicely...
...
How do I get the current date in JavaScript?
...day.getMonth() + 1).padStart(2, '0'); //January is 0!
var yyyy = today.getFullYear();
today = mm + '/' + dd + '/' + yyyy;
document.write(today);
This will give you today's date in the format of mm/dd/yyyy.
Simply change today = mm +'/'+ dd +'/'+ yyyy; to whatever format you wish.
...
Is there a link to GitHub for downloading a file in the latest release of a repository?
...age.zip. That should redirected to the latest tagged package.zip release asset. Hope it's handy!
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How does one make a Zip bomb?
...obytes of compressed data, containing nine
layers of nested zip files in sets of
10, each bottom layer archive
containing a 1.30 gigabyte file for a
total of 1.30 exabytes of uncompressed
data.
So all you need is one single 1.3GB file full of zeroes, compress that into a ZIP file, make 1...
How do you determine the size of a file in C?
...;
}
On 32-bit systems you should compile this with the option -D_FILE_OFFSET_BITS=64, otherwise off_t will only hold values up to 2 GB. See the "Using LFS" section of Large File Support in Linux for details.
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Python __call__ special method practical example
I know that __call__ method in a class is triggered when the instance of a class is called. However, I have no idea when I can use this special method, because one can simply create a new method and perform the same operation done in __call__ method and instead of calling the instance, you can c...