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Checking for a dirty index or untracked files with Git
...ut exactly this a few days ago, when I figured out how to add git status information to my prompt.
Here's what I do:
For dirty status:
# Returns "*" if the current git branch is dirty.
function evil_git_dirty {
[[ $(git diff --shortstat 2> /dev/null | tail -n1) != "" ]] && echo "*"
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How do you rename a MongoDB database?
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No there isn't. See https://jira.mongodb.org/browse/SERVER-701
Unfortunately, this is not an simple feature for us to implement due to the way that database metadata is stored in the original (default) storage engine. In MMAPv1 files, the namespace (e.g.: dbName.collection) that describes ...
ERROR 1130 (HY000): Host '' is not allowed to connect to this MySQL server [duplicate]
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and now it just complains that Access denied for user
– user3338098
Nov 4 '15 at 17:34
5
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How to access route, post, get etc. parameters in Zend Framework 2
... parameter in a controller, you will need to select the appropriate method for the type of parameter you are looking for and pass in the name.
Examples:
$this->params()->fromPost('paramname'); // From POST
$this->params()->fromQuery('paramname'); // From GET
$this->params()->fro...
How to change the foreign key referential action? (behavior)
I have set up a table that contains a column with a foreign key, set to ON DELETE CASCADE (delete child when parent is deleted)
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What is Node.js? [closed]
...nnections with minimal overhead on a single process.
JavaScript is perfect for event loops with first class function objects and closures. People already know how to use it this way having used it in the browser to respond to user initiated events.
A lot of people already know JavaScript, even peopl...
Creating a new empty branch for a new project
...But now we want to create a small new project to track some documentation. For that we would want to create a new empty branch to start storing our files, and I would want other users of the network to clone that branch.
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static const vs #define
...al value. It also has the advantage that it has no type, so it can be used for any integer value without generating warnings.
Advantages of "const"s are that they can be scoped, and they can be used in situations where a pointer to an object needs to be passed.
I don't know exactly what you are ge...
Remove first element from $@ in bash [duplicate]
...first argument shouldn't be looped over, and instead needs to be checked before the loop.
4 Answers
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Check whether an array is empty [duplicate]
... one-liner like php -r 'echo array() ? "T":"F";' will show the truthiness for an empty or non-empty array.
– jerseyboy
May 16 '14 at 13:08
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