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How to connect an existing SQL Server login to an existing SQL Server database user of same name
... the accepted answer that is also 8 years old which already contains the information that its deprecated?
– Gratzy
Feb 6 '18 at 16:45
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Elegant way to check for missing packages and install them?
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Agree with Thomas, this would be better performance with require instead of checking installed.packages
– Matthew
Jun 20 '17 at 18:55
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How do I render a partial of a different format in Rails?
...lling render :partial (only works outside of the respond_to block).
render formats: [ :html ]
instead of
render format: 'html'
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How to use a dot “.” to access members of dictionary?
...uctor
This means that if something you want to access is already in dict form, you can turn it into a DotMap for easy access:
import json
jsonDict = json.loads(text)
data = DotMap(jsonDict)
print data.location.city
Finally, it automatically creates new child DotMap instances so you can do thing...
Splitting on first occurrence
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Note: if more splits can be performed after reaching the maxsplit count, the last element in the list will contain the remainder of the string (inclusive of any sep chars/strings).
– BuvinJ
Sep 10 '19 at 13:01
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Do C# Timers elapse on a separate thread?
...ese ISynchronizeInvoke instances are none other than plain old Control and Form instances that we are all familiar with. So in that case the Elapsed event is invoked on the UI thread and it behaves similar to the System.Windows.Forms.Timer. Otherwise, it really depends on the specific ISynchronize...
Prompt for user input in PowerShell
... the linked example you would type: $results['String Field'].
To access information without invoking a method, leave the parentheses off:
PS> $Host.UI.Prompt
MemberType : Method
OverloadDefinitions : {System.Collections.Generic.Dictionary[string,psobject] Pr
ompt(s...
What is a “callable”?
... @Kay: I also like the @Florian Bösch's answer (in its current form). btw, a decorator is not a typical usage of a "callable". The most typical "callables" are functions/methods such as def f(): ..., and class objects such as class C: ... i.e., f, ''.strip, len, and C all are callable. I...
How do I run a simple bit of code in a new thread?
... need to run in a different thread than the GUI as it currently causes the form to freeze whilst the code runs (10 seconds or so).
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Why does Java's hashCode() in String use 31 as a multiplier?
...e it is an odd prime. If it were even and the multiplication overflowed, information would be lost, as multiplication by 2 is equivalent to shifting. The advantage of using a prime is less clear, but it is traditional. A nice property of 31 is that the multiplication can be replaced by a shift and a...