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How to remove a key from a Python dictionary?
... If the second parameter is not specified (ie. my_dict.pop('key')) and key does not exist, a KeyError is raised.
To delete a key that is guaranteed to exist, you can also use
del my_dict['key']
This will raise a KeyError if the key is not in the dictionary.
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Selecting data from two different servers in SQL Server
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Does this work for anyone, without using a Linked Server?
– Doug S
Feb 13 '18 at 0:34
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Rails :include vs. :joins
...rd::Relation []>
You will get a empty array as shown.
Moreover joins does not load the joined table in memory. Thus if you do
comment_1 = Comment.joins(:user).first
comment_1.user.age
#=>←[1m←[36mUser Load (0.0ms)←[0m ←[1mSELECT "users".* FROM "users" WHERE "users"."id" = ? ORDE...
How to recover stashed uncommitted changes
...the changes definitely will work. This is what git stash branch newbranch does. (And it then drops the stash since it was successfully applied.)
Some final words about --index (what the heck is it?)
What the --index does is simple to explain, but a bit complicated internally:
When you have c...
Number of days between two dates in Joda-Time
... (daylight savings happen this way in some places), which Days.daysBetween doesn't handle properly.
// 5am on the 20th to 1pm on the 21st, October 2013, Brazil
DateTimeZone BRAZIL = DateTimeZone.forID("America/Sao_Paulo");
DateTime start = new DateTime(2013, 10, 20, 5, 0, 0, BRAZIL);
DateTime end =...
Advantages to Using Private Static Methods
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I would also add that a "static" clause does not harm and provides already some "documentation" with 1 word. It tells you that this method is not using any instance member, and you get this documentation almost for free
– frandevel
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How to print colored text in Python?
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Since it's emitting ANSI codes, does it work on Windows (DOS consoles) if ansi.sys is loaded? support.microsoft.com/kb/101875
– Phil P
Jul 29 '11 at 4:16
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How to trigger a build only if changes happen on particular set of files
...mmit match the excluded region regex.
Unfortunately, the stock Git plugin does not have a "included region" feature at this time (1.15). However, someone posted patches on GitHub that work on Jenkins and Hudson that implement the feature you want.
It is a little work to build, but it works as adve...
Entity Framework - Code First - Can't Store List
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Entity Framework does not support collections of primitive types. You can either create an entity (which will be saved to a different table) or do some string processing to save your list as a string and populate the list after the entity is ...
Show current state of Jenkins build on GitHub repo
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This does not seem to work with Jenkins > 1.609 and Github plugin v 1.13.3 - I cannot find the option "Let Jenkins auto-manage hook URLs"
– endre
Nov 12 '15 at 12:21
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