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Calling shell functions with xargs
...mments :-(
I was wondering about the focus on
bash -c 'echo_var "$@"' _ {}
vs
bash -c 'echo_var "{}"'
The 1st substitutes the {} as an arg to bash while the 2nd as an arg to the function. The fact that example 1 doesn't expand the $(date) is simply a a side effect.
If you don't want the functions a...
How to safely call an async method in C# without await
...nything, it's just a trick to remove the warning. See github.com/microsoft/vs-threading/blob/master/src/…
– Paolo Fulgoni
Jun 28 '19 at 12:25
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Difference between filter and filter_by in SQLAlchemy
... filter on users.id. Instead, it will evaluate id == id as True and return all users. You need to use .filter(users.id == id) (as demoed above). I made this mistake earlier today.
– Nico Cernek
Feb 22 '19 at 23:00
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Error deploying ClickOnce application - Reference in the manifest does not match the identity of the
I'm trying to deploy a ClickOnce application, but installation fails on the client. Here's the error log:
20 Answers
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java: Class.isInstance vs Class.isAssignableFrom
...
Both answers are in the ballpark but neither is a complete answer.
MyClass.class.isInstance(obj) is for checking an instance. It returns true when the parameter obj is non-null and can be cast to MyClass without raising a ClassCastException. In ot...
JavaScript closures vs. anonymous functions
...ing what is a closure in JS and what isn't. We just want to make sure we really understand it correctly.
12 Answers
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What is the difference between 127.0.0.1 and localhost
... format (and presumably the equivalent IPv6 format) and not do a lookup at all.
Otherwise, the name has to be resolved. And there's no guarantee that your hosts file will actually be used for that resolution (first, or at all) so localhost may become a totally different IP address.
By that I mean ...
How to empty/destroy a session in rails?
.../ActionController/Base.html#M000668
Resets the session by clearing out all
the objects stored within and
initializing a new session object.
Good luck!
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LIKE vs CONTAINS on SQL Server
Which one of the following queries is faster (LIKE vs CONTAINS)?
4 Answers
4
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How do I safely pass objects, especially STL objects, to and from a DLL?
How do I pass class objects, especially STL objects, to and from a C++ DLL?
4 Answers
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