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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...
Is Java Regex Thread Safe?
.../faq-141681.html#A14 : "The Java 2 SDK, Standard Edition itself contains a file called src.zip that contains the source code for the public classes in the java package") so one can take a quick peek oneself.
– David Tonhofer
Nov 18 '13 at 15:40
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What is the difference between loose coupling and tight coupling in the object oriented paradigm?
...hen Coding
CSV/JSON/DB Examples: If somebody wants their output in a CSV file rather than JSON etc., or if you want to switch from MySQL to PostGreSQL you should be able to make those changes extremely easily in your code, without having to rewrite the entire class etc. In other words, you do not ...
Zoom in on a point (using scale and translate)
...translate on their own, check it out here http://www.dominicpettifer.co.uk/Files/Mosaic/MosaicTest.html Wait for the images to download then use your mouse wheel to zoom, also supports panning by dragging the image around. It's using CSS3 Transforms but you should be able to use the same calculation...
All permutations of a Windows license key
... windows from your registry. It also has a community-updated configuration file that retrieves product keys for many other applications.
Just run it on the install you want the key for.
share
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i...
How to find Unused Amazon EC2 Security groups
...s down to something mor manageable.
NOTES:
1. You will want to create a file to store your MySQL host, username and password and point the $DBCONFIG variable to it. It should be structured like this:
[mysql]
host=your-mysql-server-host.com
user=your-mysql-user
password=your-mysql-user-password
...
Best practices for exception management in Java or C# [closed]
...r example if your building an Xml Database and let's say you are using the file system to store your data, and you are using file system permissions to secure the data. You wouldn't want to bubble up a FileIOAccessDenied exception as that leaks your implementation. Instead you would wrap the excepti...
To underscore or to not to underscore, that is the question
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Taken from the Microsoft StyleCop Help file:
TypeName:
FieldNamesMustNotBeginWithUnderscore
CheckId:
SA1309
Cause:
A field name in C# begins with an underscore.
Rule Description:
A violation of this rule occurs when a field name begins with an underscore....
To ARC or not to ARC? What are the pros and cons? [closed]
...S version restrictions). For non-ARC code, you can pass -fno-objc-arc on a file-by-file basis. Xcode unfortunately makes this much harder than it should be to do in practice. You should probably move non-ARC code into a separate xcodeproj to simplify this.
In conclusion, switch to ARC as soon as yo...
Strip HTML from strings in Python
When printing a line in an HTML file, I'm trying to find a way to only show the contents of each HTML element and not the formatting itself. If it finds '<a href="whatever.com">some text</a>' , it will only print 'some text', '<b>hello</b>' prints 'hello', etc. How would o...