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What is Android keystore file, and what is it used for?
...lease updates so keep that cert safe and backed up if need be.
But apart from signing apks to release into the wild, you can use it to authenticate your device to a server over SSL if you so desire, (also Android related) among other functions.
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What is the maximum length of a valid email address?
... says the limit is "256 octets", including separators (a deliberate change from RFC 2821 which said "characters"). I believe the 256-octet limit (minus 2 for 254) is not superseded, and the effective character limit is reduced for addresses with multi-byte UTF-8 characters.
– A...
How can I find the last element in a List?
The following is an extract from my code:
13 Answers
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Where to use EJB 3.1 and CDI?
...bean. The @Stateless is basically an instance pool -- you get an instance from the pool for the duration of one invocation. The @Singleton is essentially @ApplicationScoped
So in a fundamental level, anything you can do with an "EJB" bean you should be able to do with a "CDI" bean. Under the cov...
C# 'is' operator performance
...ner loops, I need to test the type of an object to see whether it inherits from a certain interface.
8 Answers
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How do I uninstall a package installed using npm link?
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npm uninstall from the local library folder will also work.
– backslashN
Jul 7 at 10:06
add a comment
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What does `m_` variable prefix mean?
... idea where this common practise of having "gets" with only var name comes from?
– Paiusco
Sep 15 at 19:48
@Paiusco I ...
In Android, how do I set margins in dp programmatically?
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From which package should I import that particular LayoutParams?
– stealthjong
Oct 4 '12 at 13:41
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Asterisk in function call
...as saying itertools.chain([ 1, 2 ], [ 3, 4 ])
This is obviously different from passing in just uniqueCrossTabs. In your case, you have a list of lists that you wish to flatten; what itertools.chain() does is return an iterator over the concatenation of all the positional arguments you pass to it, w...
When is a C++ destructor called?
...used part of its memory space.
Now, what happens when/if you erase an item from the vector? It can't just use delete -- that would release its entire block of memory; it needs to destroy one object in that memory without destroying any others, or releasing any of the block of memory it controls (for...