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SQL update from one Table to another based on a ID match
I have a database with account numbers and card numbers . I match these to a file to update any card numbers to the account number, so that I am only working with account numbers.
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c#: getter/setter
I saw something like the following somewhere, and was wondering what it meant. I know they are getters and setters, but want to know why the string Type is defined like this. Thanks for helping me.
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Apply CSS styles to an element depending on its child elements
...th 'containing' types. You can select the div, based on its child contents and then apply a CSS class to the parent all in one line.
If you use jQuery, something along the lines of this would may work (untested but the theory is there):
$('div:has(div.a)').css('border', '1px solid red');
or
$('...
Can a decorator of an instance method access the class?
...f hasattr(method, "use_class"):
# do something with the method and class
print name, cls
return cls
def method_decorator(view):
# mark the method as something that requires view's class
view.use_class = True
return view
@class_decorator
class ModelA(object):
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What does ^M character mean in Vim?
I keep getting ^M character in my vimrc and it breaks my configuration.
15 Answers
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Why do we use $rootScope.$broadcast in AngularJS?
...n, when your controller is destroyed that event listener will still exist, and when your controller will be created again, it will just pile up more event listeners. (So one broadcast will be caught multiple times). Use $scope.$on() instead, and the listeners will also get destroyed.
What is the dif...
Why is '397' used for ReSharper GetHashCode override?
...397 is a prime of sufficient size to cause the result variable to overflow and mix the bits of the hash somewhat, providing a better distribution of hash codes. There's nothing particularly special about 397 that distinguishes it from other primes of the same magnitude.
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windows batch SET inside IF not working
...y.
Therefore the delayedExpansion syntax exists, it uses ! instead of % and it is evaluated at execution time, not parse time.
Please note that in order to use !, the additional statement setlocal EnableDelayedExpansion is needed.
setlocal EnableDelayedExpansion
set var1=true
if "%var1%"=="true...
Retrieve the maximum length of a VARCHAR column in SQL Server
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Use the built-in functions for length and max on the description column:
SELECT MAX(LEN(DESC)) FROM table_name;
Note that if your table is very large, there can be performance issues.
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Does Git warn me if a shorthand commit ID can refer to 2 different commits?
...g tree.
Use '--' to separate paths from revisions, like this:
'git <command> [<revision>...] -- [<file>...]'
I just tested this on a real Git repository, by finding commits with duplicate prefixes like this:
git rev-list master | cut -c-4 | sort | uniq -c | sort -nr | head
Thi...