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What does “abstract over” mean?
Often in the Scala literature, I encounter the phrase "abstract over", but I don't understand the intent. For example , Martin Odersky writes
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Can't install nuget package because of “Failed to initialize the PowerShell host”
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Setting an execution policy to RemoteSigned or Unrestricted should work. It must be changed under an administrator mode via a PowerShell console. Be aware that changes will be applied according to the bit version of the PowerShell console, so 32bit or 64 bit. So if you want to install a package in...
Simulate CREATE DATABASE IF NOT EXISTS for PostgreSQL?
...anual:
CREATE DATABASE cannot be executed inside a transaction block.
So it cannot be run directly inside a function or DO statement, where it would be inside a transaction block implicitly.
(SQL procedures, introduced with Postgres 11, cannot help with this either.)
Workaround from within psql
Yo...
What does $NON-NLS-1$ mean?
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They silence a warning that Eclipse emits when it encounters string literals (and has been configured to complain).
The idea is that UI messages should not be embedded as string literals, but rather sourced from a resource file (so that they can be translated, p...
css ellipsis on second line
...S text-overflow: ellipsis on second line, is this possible? I can't find it on the net.
18 Answers
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How do I use format() on a moment.js duration?
...can use the moment.js format method on duration objects? I can't find it anywhere in the docs and it doesn't seen to be an attribute on duration objects.
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Generic deep diff between two objects
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I wrote a little class that is doing what you want, you can test it here.
Only thing that is different from your proposal is that I don't consider
[1,[{c: 1},2,3],{a:'hey'}]
and
[{a:'hey'},1,[3,{c: 1},2]]
to be same, because I think ...
How to Parse Command Line Arguments in C++? [duplicate]
...follow
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edited May 21 '13 at 21:22
ChrisN
15.4k88 gold badges5151 silver badges7575 bronze badges
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Android SDK manager won't open
...ment before the windows\system32 directory.
The SDK Manager uses java and it was finding the one in the system32 folder.
In a CMD window, you can run 'where java'.
Don't forget to restart your CMD after changing the path variable for checking.
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Fast ceiling of an integer division in C / C++
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For positive numbers
unsigned int x, y, q;
To round up ...
q = (x + y - 1) / y;
or (avoiding overflow in x+y)
q = 1 + ((x - 1) / y); // if x != 0
sh...