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Difference between GeoJSON and TopoJSON
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And even though I did remember reading about "shared line segments", I still assumed "topo" stood for "topography", which it does not. Here's a nice read about the difference between "topology" and "topography" (the former is the origin of "topo" in topojs...
On design patterns: When should I use the singleton?
...e locators and client side UI's also being possibly "acceptable" choices.
Read more at Singleton I love you, but you're bringing me down.
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Declare a const array
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Yes, but you need to declare it readonly instead of const:
public static readonly string[] Titles = { "German", "Spanish", "Corrects", "Wrongs" };
The reason is that const can only be applied to a field whose value is known at compile-time. The array ini...
SHA1 vs md5 vs SHA256: which to use for a PHP login?
...in, and I'm trying to decide whether to use SHA1 or Md5, or SHA256 which I read about in another stackoverflow article. Are any of them more secure than others? For SHA1/256, do I still use a salt?
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Git - How to fix “corrupted” interactive rebase?
...to file, so I created that file. Then I got another error saying could not read '.git/rebase-apply/onto': No such file or directory.
So I looked at the git documentation for rebasing and found another command:
git rebase --quit
This set me back on my branch with no changes, and I could start my ...
Don't understand why UnboundLocalError occurs (closure) [duplicate]
...er local to increment(). Trying to execute this line, though, will try to read the value of the local variable counter before it is assigned, resulting in an UnboundLocalError.[2]
If counter is a global variable, the global keyword will help. If increment() is a local function and counter a local...
Why is Multiple Inheritance not allowed in Java or C#?
...languages while providing too little benefit.
For a more fun and in-depth read, there are some articles available on the web with interviews of some of the language designers. For example, for .NET, Chris Brumme (who worked at MS on the CLR) has explained the reasons why they decided not to:
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not None test in Python [duplicate]
... not (val is None):
# ...
this is simply part of the Zen of Python: "Readability counts." Good Python is often close to good pseudocode.
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Maven command to determine which settings.xml file Maven is using
... something like this:
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[INFO] Error stacktraces are turned on.
[DEBUG] Reading global settings from c:\....\apache-maven-3.0.3\conf\settings.xml
[DEBUG] Reading user settings from c:\....\.m2\settings.xml
[DEBUG] Using local repository at C:\....\repository
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(Original directory names are re...
Is there a command line utility for rendering GitHub flavored Markdown?
...rote a small CLI in Python and added GFM support. It's called Grip (Github Readme Instant Preview).
Install it with:
$ pip install grip
And to use it, simply:
$ grip
Then visit localhost:5000 to view the readme.md file at that location.
You can also specify your own file:
$ grip CHANGES.md
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