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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...
How do I verify jQuery AJAX events with Jasmine?
...yOn($, "ajax");
getProduct(123);
expect($.ajax.mostRecentCall.args[0]["url"]).toEqual("/products/123");
});
function getProduct(id) {
$.ajax({
type: "GET",
url: "/products/" + id,
contentType: "application/json; charset=utf-8",
dataType: "json"
});
}
...
What is the significance of ProjectTypeGuids tag in the visual studio project file
...
{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC} is the GUID for C# project
{60dc8134-eba5-43b8-bcc9-bb4bc16c2548} is for project in WPF flavor package
So your ProjectTypeGuids is for a WPF C# project.
You could see the meaning of the d...
Positioning MKMapView to show multiple annotations at once
I've got several annotations I want to add to my MKMapView (it could 0-n items, where n is generally around 5). I can add the annotations fine, but I want to resize the map to fit all annotations onscreen at once, and I'm not sure how to do this.
...
What does a b prefix before a python string mean?
...
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edited Apr 7 '10 at 14:05
answered Apr 7 '10 at 13:34
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Calculate a Running Total in SQL Server
...
Update, if you are running SQL Server 2012 see: https://stackoverflow.com/a/10309947
The problem is that the SQL Server implementation of the Over clause is somewhat limited.
Oracle (and ANSI-SQL) allow you to do things like:
SELECT somedate, somevalue,
SU...
Using @include vs @extend in Sass?
... background-color: $main-color
border: 1px solid black
border-radius: 0.2em
&:hover, &:active
background-color: $active-color
a
+button
button
+button(pink, red)
Results in:
a {
background-color: lightgrey;
border: 1px solid black;
border-radius: 0.2em;
}
a:hover,...
What is the significance of load factor in HashMap?
...ize and load factor . I went through the Java documentation and it says 0.75f is the initial load factor. But I can't find the actual use of it.
...
Why (0-6) is -6 = False? [duplicate]
...is. For instance, PyPy implemented the id of integer to return itself, so (0-6) is -6 is always true even if they are "different objects" internally; it also allows you to configure whether to enable this integer caching, and even set the lower and upper bounds. But in general, objects retrieved fro...
Git Blame Commit Statistics
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Update
git ls-tree -r -z --name-only HEAD -- */*.c | xargs -0 -n1 git blame \
--line-porcelain HEAD |grep "^author "|sort|uniq -c|sort -nr
I updated some things on the way.
For convenience, you can also put this into its own command:
#!/bin/bash
# save as i.e.: git-authors and s...