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Purpose of Activator.CreateInstance with example?
.... Think of a game where you want to store your level and enemies in an XML file. When you parse this file, you might have an element like this.
<Enemy X="10" Y="100" Type="MyGame.OrcGuard"/>
what you can do now is, create dynamically the objects found in your level file.
foreach(XmlNode no...
Shell equality operators (=, ==, -eq)
... regular expressions with =~, and yes, suppression of string-splitting and filesystem globbing) will be available. Since [[ is non-POSIX syntax in its entirety, there's no additional portability loss in assuming that the features it was born with will be available.
– Charles Du...
Git: what is a dangling commit/blob and where do they come from?
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Also, any time you 'git add' a file, but don't commit that exact version of the file, you end up with a dangling blob. Nothing to be worried about.
– canton7
Aug 29 '13 at 17:32
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Is nested function a good approach when required by only one function? [closed]
...hich I think it often does because you don't have to search/scroll through files to find the relevant code.
– Blixt
Sep 4 '15 at 16:21
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Git format-patch to be svn compatible?
...) is:
Create the patch with git diff --no-prefix master..branch > somefile.diff, the master and branch part are optional, depends how you want to get your diffs.
Send it wherever and apply with patch -p0 < somefile.diff.
It always seems to work fine for me and seems to be the simplest met...
How to open a web page from my application?
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How about opening a local html file?
– guogangj
Apr 21 '17 at 0:52
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show 1 more comment
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What exactly can cause an “HIERARCHY_REQUEST_ERR: DOM Exception 3”-Error?
...to text/html and you are fine.
In my case, it was as easy as renaming the file.xhtml to file.html - application server had some extension to MIME types mappings out of the box. When content is dynamic, you can set the content type of response somehow (e.g. res.setContentType("text/html") in Servlet...
List all the modules that are part of a python package?
...e the variable package is pointing to a package, not a module. Modules are files whereas packages are directories. All packages have the __path__ attribute (... unless someone deleted the attribute for some reason.)
– unutbu
Feb 26 '18 at 11:46
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What's the recommended approach to resetting migration history using Django South?
...>", "0001_initial")) to your <app-dir>/migrations/0001_initial.py file, as the first attribute in your migration class just below class Migration(SchemaMigration):.
You can then ./manage.py migrate <app-name> --fake --delete-ghost-migrations on other environments, per this SO answer....
What makes a keychain item unique (in iOS)?
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The primary keys are as follows (derived from open source files from Apple, see Schema.m4, KeySchema.m4 and SecItem.cpp):
For a keychain item of class kSecClassGenericPassword, the primary key is the combination of
kSecAttrAccount and kSecAttrService.
For a keychain item of class...