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Understanding Python's “is” operator
... actually wrong! Thanks for pointing that out @martijn-pieters ! I should know by now never to post code without testing it! >>> x=1.0; y=1.0 >>> x is y True >>> x=1.0 >>> y=1.0 >>> x is y False
– Magnus Lyckå
Sep ...
Boolean.hashCode()
...go into bucket 1000 % N resp 2000 % N (where N is the number of buckets).
Now notice that
1000 % 8 same bucket as 2000 % 8
1000 % 10 same bucket as 2000 % 10
1000 % 20 same bucket as 2000 % 20
....
in other words, it would lead to many collisions.
This is because the factorization of 1000 (2...
Navigation in django
...ul id="nav">....</ul> to a different file, lets say tabs.html. So now base.html contained {%block nav%}{%include "tabs.html"%}{%endblock%} and then highlighting of the active tab stopped working(in about.html above). Am I missing anything ?
– None-da
S...
What is the iBeacon Bluetooth Profile
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@sandeepmistry the link to node.js script is now broken.
– tedyyu
Jul 18 '15 at 12:37
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Create MSI or setup project with Visual Studio 2012
...r. If you did a survey you would see that
nobody is using ISLE. I don't know why you guys continue to associate
with InstallShield. It damages your credibility. Any developer worth
half his weight in salt knows ISLE is worthless and when you stand
behind it we have to question Microsoft's ju...
Recursive file search using PowerShell
...ion. If you want to search for a file with a certain extension, but don't know the name of the file, you can use:
dir -Path C:\FolderName -Filter *.fileExtension -Recurse | %{$_.FullName}
Or vice versa:
dir -Path C:\FolderName -Filter FileName.* -Recurse | %{$_.FullName}
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What exactly are “spin-locks”?
... performance penalty if the wait time is really short, because your thread now has to wait for a preemption to receive CPU time again.
Besides, kernel objects are not available in every state of the kernel, such as in an interrupt handler or when paging is not available etc.
Spinlocks don't cause pr...
Shortcuts in Objective-C to concatenate NSStrings
...her option has many upvotes, I think this is the best answer if you don't know all your strings upon construction. Every time you append a string, you're creating a lot of overhead. Using a mutable string removes that problem.
– Eli
Dec 22 '09 at 1:25
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Styling input buttons for iPad and iPhone
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The link above is now dead, unfortunately (thinkvitamin.com/design/…).
– Per Quested Aronsson
Sep 5 '12 at 11:00
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Rails: Check output of path helper from console
...like app.get "/" then just instance_eval the wanted methods, as they are now protected by default. Something like: app.instance_eval{ post_path(post) }
– Chubas
May 17 '10 at 2:17
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