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ASP.NET MVC: Is Controller created for every request?
...
A Controller is created for every request by the ControllerFactory (which by default is the DefaultControllerFactory).
http://msdn.microsoft.com/en-us/library/system.web.mvc.defaultcontrollerfactory.aspx
Note that the Html.Action Html Helper will create another con...
How do I move a redis database from one server to another?
...
Save a snapshot of the database into a dump.rdb by either running BGSAVE or SAVE from the command line. This will create a file named dump.rdb in the same folder as your redis server. See a list of all server commands.
Copy this dump.rdb to the other redis server you want...
Using i and j as variables in Matlab
...es:
For speed and improved robustness, you can replace complex i and j by 1i.
So rather than avoiding two very commonly used variable names because of a potential conflict, I'm explicit about imaginary numbers. It also makes my code more clear. Anytime I see 1i, I know that it represents sqrt(...
Download a specific tag with Git
...Note: Per the Git manual, passing the --depth flag implies --single-branch by default.
--depth
Create a shallow clone with a history truncated to the specified number of commits. Implies --single-branch unless --no-single-branch is given to fetch the histories near the tips of all branches...
File extension for PowerShell 3
...e that they chose ps1 to avoid conflicts with ps, which was already in use by Adobe Photoshop. Other sources say that versioning had been indeed the reason to call it ps1, but they dropped this idea when introducing PS 2 (official source).
– ComFreek
Sep 8 '14 ...
Suppress command line output
...works because stdout is file descriptor 1, and stderr is file descriptor 2 by convention. (0 is stdin, incidentally.) The 2>&1 copies output file descriptor 2 from the new value of 1, which was just redirected to the null device.
This syntax is (loosely) borrowed from many Unix shells, but y...
Jackson JSON custom serialization for certain fields
...rties can be serialize which are needful for client only
Define our Views by simply creating following class:
public class Views
{
static class Android{};
static class IOS{};
static class Web{};
}
Annotated model class with views:
public class Demo
{
public Demo()
{
}
...
How does a public key verify a signature?
...With a digital signature, you are trying to prove that the document signed by you came from you. To do that, you need to use something that only YOU have: your private key.
A digital signature in its simplest description is a hash (SHA1, MD5, etc.) of the data (file, message, etc.) that is subseq...
How to assign a Git SHA1's to a file without Git?
...mpute it yourself without having Git installed. Note that "\0" is the NULL-byte, not a two-character string.
For example, the hash of an empty file:
sha1("blob 0\0") = "e69de29bb2d1d6434b8b29ae775ad8c2e48c5391"
$ touch empty
$ git hash-object empty
e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
Anoth...
file_get_contents(“php://input”) or $HTTP_RAW_POST_DATA, which one is better to get the body of JSON
...es. Moreover, for those cases
where $HTTP_RAW_POST_DATA is not populated by default, it is a
potentially less memory intensive alternative to activating
always_populate_raw_post_data.
Source: http://php.net/manual/en/wrappers.php.php.
...