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Is there a “not in” operator in JavaScript for checking object properties?
Is there any sort of "not in" operator in JavaScript to check if a property does not exist in an object? I couldn’t find anything about this around Google or Stack Overflow. Here’s a small snippet of code I’m working on where I need this kind of functionality:
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SQL Server - stop or break execution of a SQL script
...te 0, Line 0
A severe error occurred on the current command. The results, if any, should be discarded.
Notice that 'ho' is not printed.
CAVEATS:
This only works if you are logged in as admin ('sysadmin' role), and also leaves you with no database connection.
If you are NOT logged in as admin, ...
How to check if a function exists on a SQL database
I need to find out if a function exists on a database, so that I can drop it and create it again. It should basically be something like the following code that I use for stored procedures:
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Check existence of input argument in a Bash shell script
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It is:
if [ $# -eq 0 ]
then
echo "No arguments supplied"
fi
The $# variable will tell you the number of input arguments the script was passed.
Or you can check if an argument is an empty string or not like:
if [ -z "$1" ]
t...
How to check if array is empty or does not exist? [duplicate]
What's the best way to check if an array is empty or does not exist?
1 Answer
1
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Test if a string contains any of the strings from an array
How do I test a string to see if it contains any of the strings from an array?
14 Answers
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Check if string begins with something? [duplicate]
I know that I can do like ^= to see if an id starts with something, and I tried using that for this, but it didn't work... Basically, I'm retrieving the url and I want to set a class for an element for pathnames that start in a certain way...
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Check if a row exists, otherwise insert
I need to write a T-SQL stored procedure that updates a row in a table. If the row doesn't exist, insert it. All this steps wrapped by a transaction.
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EditText, clear focus on touch outside
...fill_parent attributes). Then I used it to intercept touches and determine if the touch was on top of the EditText or not:
FrameLayout touchInterceptor = (FrameLayout)findViewById(R.id.touchInterceptor);
touchInterceptor.setOnTouchListener(new OnTouchListener() {
@Override
public boolean on...
When is it practical to use Depth-First Search (DFS) vs Breadth-First Search (BFS)? [closed]
I understand the differences between DFS and BFS, but I'm interested to know when it's more practical to use one over the other?
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