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Find first element in a sequence that matches a predicate
...n 2):
next(filter(predicate, seq))
It raises StopIteration if there is none.
To return None if there is no such element:
next((x for x in seq if predicate(x)), None)
Or:
next(filter(predicate, seq), None)
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How to make an immutable object in Python?
...verridden __setattr__() by calling object.__setattr__() a problem. If someone does this, it's on her own risk.
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What's the meaning of 'origin' in 'git push origin master'
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origin is the default name of the remote git repository you cloned from. Have a look at .git/refs/remotes/origin/* and .git/config within your sources to see how git knows about it.
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How do I accomplish an if/else in mustache.js?
... by a if (!condition){//do something else}. Also, the amount of logic that one can perform in logic extremely reduced compared to a logic-based language. Existence or non-existence are the only checks, i.e. you can't check if the value of a tag equals 5 and then fall into that tag's code.
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Web deployment task build failed
...ror shows in the details as: Microsoft.Web.Delegation.DeploymentAuthorizationException: Not able to log on the user '.\WDeployConfigWriter'. ---> System.Runtime.InteropServices.COMException: The password for this account has expired.
– Jon Egerton
Mar 14 '14...
How to prevent custom views from losing state across screen orientation changes
...nstance() for my main Activity to save and restore certain critical components across screen orientation changes.
9 Ans...
How do I use the nohup command without getting nohup.out?
... the same effect here; it only works to point a file descriptor to another one that's open in the same direction (input or output). The shell will let you do >/dev/null <&1, but that winds up creating a process with an input file descriptor open on an output stream, so instead of just hitt...
What does the construct x = x || y mean?
...ck for unset parameter.
Let's say, we have a function setSalary that has one optional parameter. If user does not supply the parameter then the default value of 10 should be used.
if you do the check like this:
function setSalary(dollars) {
salary = dollars || 10
}
This will give unexpecte...
SQL Server NOLOCK and joins
...ely necessary? The documentation on NOLOCK is pretty sparse as you've mentioned; I had trouble finding anything conclusive myself.
– DanP
Sep 24 '10 at 11:01
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How does MongoDB sort records when no sort order is specified?
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What is the default sort order when none is specified?
The default internal sort order (or natural order) is an undefined implementation detail. Maintaining order is extra overhead for storage engines and MongoDB's API does not mandate predictability outside of...