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Difference between Dictionary and Hashtable [duplicate]
...ns)
A subtle but important difference is that Hashtable supports multiple reader threads with a single writer thread, while Dictionary offers no thread safety. If you need thread safety with a generic dictionary, you must implement your own synchronization or (in .NET 4.0) use ConcurrentDictionary&...
Get generic type of class at runtime
...e says that actually it's a lure and there is no real need for it. You can read both links, I found them quite interesting.
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What's the purpose of using braces (i.e. {}) for a single-line if or loop?
I'm reading some lecture notes of my C++ lecturer and he wrote the following:
23 Answers
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DateTime vs DateTimeOffset
...not the (utc time, offset) pair. In other words, the offset from UTC is already reflected in the local time. To convert back to utc, invert the sign of the offset and apply it to the local time.
– Matt Johnson-Pint
Feb 27 '14 at 20:15
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Java system properties and environment variables
...agaveluSugumar Yes, you need to restart: Environment variable settings are read from the environment on start up. i.e. System.getenv(String name) does not dynamically read the value from the system at call time.
– Bohemian♦
May 25 '17 at 16:01
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Android - Package Name convention
...rmal java package conventions plus here is an important snippet of text to read (this is important regarding the wide use of xml files while developing on android).
The reason for having it in reverse order is to do with the layout on the storage media. If you consider each period ('.') in the appl...
Which is faster in Python: x**.5 or math.sqrt(x)?
... If not, then why go with code which is cryptic over code that is easy to read? The time difference is would be less than anybody could notice in just about any application I could forsee. I really don't mean to put down your question, but it seems that you're going a little too far with prematur...
Generating random strings with T-SQL
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I know this is old thread, but the code returns the same string for seed 192804 and 529126
– davey
May 28 '14 at 14:48
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Is there an opposite to display:none?
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The whole read through I'm thinking to my self "great example, yep, yep, they're all opposite to display:none" then you read "just like there's no one hair style that's the opposite of bald" Wow plus 1, nicely put.
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Is there an API to get bank transaction and bank balance? [closed]
...hird-party service provider. Banks need to get with the program and offer read-only API keys for specific accounts.
– connorbode
Mar 29 '17 at 13:42
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