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“Templates can be used only with field access, property access, single-dimension array index, or sin
...ld work something like this:
class TrainerViewModel
{
private Trainer _trainer;
public string ShortDescription
{
get
{
return _trainer.Description.ToString().Substring(0, 100);
}
}
public TrainerViewModel(Trainer trainer)
{
_trai...
How to get the last N records in mongodb?
...d -1 will sort descending (newest to oldest.)
If you use the auto created _id field it has a date embedded in it ... so you can use that to order by ...
db.foo.find().sort({_id:1});
That will return back all your documents sorted from oldest to newest.
Natural Order
You can also use a Natura...
Executing elements inserted with .innerHTML
...t doesn't work in IE 7. With help from SO, here's a script that does:
exec_body_scripts: function(body_el) {
// Finds and executes scripts in a newly added element's body.
// Needed since innerHTML does not run scripts.
//
// Argument body_el is an element in the dom.
function nodeName(e...
TemplateDoesNotExist - Django Error
...
Make sure you have rest_framework listed in your settings.py INSTALLED_APPS.
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Split array into chunks
...
For one-liners (chain-lovers): const array_chunks = (array, chunk_size) => Array(Math.ceil(array.length / chunk_size)).fill().map((_, index) => index * chunk_size).map(begin => array.slice(begin, begin + chunk_size));.
– Констан...
How does one unit test routes with Express?
... a more detailed example.
/// usercontroller.js
var UserController = {
_database: null,
setDatabase: function(db) { this._database = db; },
findUserByEmail: function(email, callback) {
this._database.collection('usercollection').findOne({ email: email }, callback);
}
};
module....
How to install the JDK on Ubuntu Linux
...
Referring to Ask Ubuntu question How to set JAVA_HOME for OpenJDK?,
How to install Open JDK (Java developement kit) in Ubuntu (Linux)?
Open Terminal from Application Dash or press Ctrl+Alt+T
Update repository:
sudo add-apt-repository ppa:openjdk-r/ppa # only Ubuntu 17...
Regex for password must contain at least eight characters, at least one number and both lower and up
...
fails for _ special character
– Akhilesh
Jul 23 '19 at 10:10
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Is there a max array length limit in C++?
... the size thereof). It is given by the maximum value the system's std::size_t can take. This data type is large enough to contain the size in bytes of any object
The other limit is a physical memory limit. The larger your objects in the array are, the sooner this limit is reached because memory is ...
How to extract a git subdirectory and make a submodule out of it?
...-branch --commit-filter 'if [ z$1 = z`git rev-parse $3^{tree}` ]; then skip_commit "$@"; else git commit-tree "$@"; fi'
You need to use the -f force argument run filter-branch again with anything in refs/original/ (which basically a backup)
Of course this will never be perfect, for example if you...