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Strange, unexpected behavior (disappearing/changing values) when using Hash default value, e.g. Hash
...look more in-depth at why Hash.new([]) doesn’t work:
h = Hash.new([])
h[0] << 'a' #=> ["a"]
h[1] << 'b' #=> ["a", "b"]
h[1] #=> ["a", "b"]
h[0].object_id == h[1].object_id #=> true
h #=> {}
We can see that our default object is being reused and mutated (t...
Do I need a Global.asax.cs file at all if I'm using an OWIN Startup.cs class and move all configurat
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dmatsondmatson
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19
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'str' object does not support item assignment in Python
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105
In Python, strings are immutable, so you can't change their characters in-place.
You can, howe...
Maven 3 warnings about build.plugins.plugin.version
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410
Add a <version> element after the <plugin> <artifactId> in your pom.xml file. ...
Does MySQL included with MAMP not include a config file?
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Darryl Hein
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answered May 19 '10 at 21:51
Dirk EineckeDirk Einecke
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Why does substring slicing with index out of range work?
...s. Look what happens when you do the same thing to a list:
>>> [0, 1, 2, 3, 4, 5][3]
3
>>> [0, 1, 2, 3, 4, 5][3:4]
[3]
Here the difference is obvious. In the case of strings, the results appear to be identical because in Python, there's no such thing as an individual character ...
Git merge without auto commit
... is saying Fast Forward
In such situations, you want to do:
git merge v1.0 --no-commit --no-ff
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How can I change UIButton title color?
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answered Mar 19 '10 at 0:39
Ben GottliebBen Gottlieb
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Are there console commands to look at whats in the queue and to clear the queue in Sidekiq?
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90
I haven't ever used Sidekiq, so it's possible that there are methods just for viewing the queued...
Force HTML5 youtube video
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180
I've found the solution :
You have to add the html5=1 in the src attribute of the iframe :
&...