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What is the difference between statically typed and dynamically typed languages?
...hat they are statically typed, but that they are explicitly typed.In other words, they require lots of type declarations. (In the world of less explicitly typed languages, where these declarations are optional, they are often called “type annotations”.) This has nothing to do with static types....
When do Java generics require
...y sound confusing...) As such, the first answer is very misleading in it's wording.
In other words, List<? extends Serializable> means you can assign that reference to other Lists where the type is some unknown type which is or a subclass of Serializable. DO NOT think of it in terms of A SING...
Can local storage ever be considered secure? [closed]
...ber generation;
Lack of a secure keystore i.e. the private key must be password-protected if stored locally, or stored on the server (which bars offline access);
Lack of secure-erase;
Lack of timing characteristics.
Each of these weaknesses corresponds with a category of cryptographic compromise. ...
How do MySQL indexes work?
...c (that's a full table scan).
On the other hand, an index has a list of keywords, so you'd consult the index and see that storage is mentioned on pages 113-120,231 and 354. Then you could flip to those pages directly, without searching (that's a search with an index, somewhat faster).
Of course, ho...
What is the difference between String and string in C#?
...ther to use string or String in their code. Because in C# the string (a keyword) maps exactly to System.String (an FCL type), there is no difference and either can be used.
In C#, long maps to System.Int64, but in a different programming language, long could map to an Int16 or Int32. In fact, C++/...
How do I prevent node.js from crashing? try-catch doesn't work
...
A word of warning, Domain is pending deprecation: link. The suggested method, from the Node docs, is to use cluster: link.
– Paul
Oct 28 '15 at 22:06
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Single Line Nested For Loops
...ere, for example, gives you a list of lists of characters:
[[ch for ch in word] for word in ("apple", "banana", "pear", "the", "hello")]
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What character encoding should I use for a HTTP header?
...text) as opaque data.
Previously, RFC 2616 from 1999 defined this:
Words of *TEXT MAY contain characters from character sets other than ISO-
8859-1 [22] only when encoded according to the rules of RFC 2047 [14].
and RFC 2047 is the MIME encoding, so it'd be:
=?UTF-8?Q?=E2=9C=B0?=
...
How to exclude certain directories/files from git grep search
...
In git 1.9.0 the "magic word" exclude was added to pathspecs. So if you want to search for foobar in every file except for those matching *.java you can do:
git grep foobar -- './*' ':(exclude)*.java'
Or using the ! "short form" for exclude:
git...
How to undo 'git reset'?
...34a4787b4c
[...]
The first line says that HEAD 0 positions ago (in other words, the current position) is 3f6db14; it was obtained by resetting to HEAD~. The second line says that HEAD 1 position ago (in other words, the state before the reset) is d27924e. It was obtained by checking out a particul...