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What's the longest possible worldwide phone number I should consider in SQL varchar(length) for phon

... Premature optimization is the root of all evil. – Harindaka Sep 11 '13 at 9:47 83 ...
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How can I generate UUID in C#

I am creating an .idl file programmatically. How do I create UUIDs for the interfaces and Methods Programmatically. 5 Answ...
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The difference between the 'Local System' account and the 'Network Service' account?

...the computer will have a service account that has permissions to do practically anything (more specifically the superset of all of the different additional privileges granted to that account). It is always preferable from a security perspective to run as your own service account that has precisely ...
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Keystore type: which one to use?

...ding on the context), those include: PKCS11, for PKCS#11 libraries, typically for accessing hardware cryptographic tokens, but the Sun provider implementation also supports NSS stores (from Mozilla) through this. BKS, using the BouncyCastle provider (commonly used for Android). Windows-MY/Windows-...
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Python Dictionary Comprehension

...>> print d {0: 0, 1: 1, 2: 4, 3: 9, 4: 16} If you want to set them all to True: >>> d = {n: True for n in range(5)} >>> print d {0: True, 1: True, 2: True, 3: True, 4: True} What you seem to be asking for is a way to set multiple keys at once on an existing dictionary. ...
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What's the point of having pointers in Go?

I know that pointers in Go allow mutation of a function's arguments, but wouldn't it have been simpler if they adopted just references (with appropriate const or mutable qualifiers). Now we have pointers and for some built-in types like maps and channels implicit pass by reference. ...
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What is a Manifest in Scala and when do you need it?

Since Scala 2.7.2 there is something called Manifest which is a workaround for Java's type erasure. But how does Manifest work exactly and why / when do you need to use it? ...
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What is the difference between a cer, pvk, and pfx file?

...authority certificates, and private keys. Its contents can be cryptographically protected (with passwords) to keep private keys private and preserve the integrity of root certificates. Windows uses .pvk for a private key file. I'm not sure what standard (if any) Windows follows for these. Hopefully...
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What is the difference between Pan and Swipe in iOS?

...esture is continuous. It begins (began) when the minimum number of fingers allowed (minimumNumberOfTouches) has moved enough to be considered a pan. It changes (changed) when a finger moves while at least the minimum number of fingers are pressed down. It ends (ended) when all fingers are lifted. C...
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What is a “Stub”?

...lar kinds of double: Dummy objects are passed around but never actually used. Usually they are just used to fill parameter lists. Fake objects actually have working implementations, but usually take some shortcut which makes them not suitable for production (an in memory database is a good...