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Null coalescing in powershell
...ms -ne $null
[string]::Join(', ', ($instances | ForEach-Object -Process { $_.GetType() }))
# Result:
System.String, System.Int32, System.Int32, System.String, System.Object[],
System.Boolean, System.Boolean
-eq works similarly, which is useful for counting null entries:
($null, 'a', $null -eq $n...
Delete all tags from a Git repository
...he POSIX-compliant ‘-L’ option. gnu.org/software/findutils/manual/html_node/find_html/…
– Richard A Quadling
Jul 23 '19 at 12:13
...
How to reference a .css file on a razor view?
I know how to set .css files on the _Layout.cshtml file, but what about applying a stylesheet on a per-view basis?
6 Answer...
Determine if Python is running inside virtualenv
...t reliable way to check for this is to check whether sys.prefix == sys.base_prefix. If they are equal, you are not in a virtual environment; if they are unequal, you are. Inside a virtual environment, sys.prefix points to the virtual environment, and sys.base_prefix is the prefix of the system Pytho...
How can I group data with an Angular filter?
...ddle.net/TD7t3/
The filter
app.filter('groupBy', function() {
return _.memoize(function(items, field) {
return _.groupBy(items, field);
}
);
});
Note the 'memoize' call. This underscore method caches the result of the function and stops angular from evaluating the fil...
Use gulp to select and move directories and their files
...serve the file structure the way you want:
var filesToMove = [
'./_locales/**/*.*',
'./icons/**/*.*',
'./src/page_action/**/*.*',
'./manifest.json'
];
gulp.task('move',['clean'], function(){
// the base option sets the relative root for the set of files,
// ...
Sequelize.js delete query?
...{
// Handle *where* argument which is specified as an integer
if (_.isFinite(+where)) {
where = {
id: where
};
}
Model.findAll({
where:where
}).success(function(collection) {
if (collection) {
if (_.isArray(collection)) {
...
Maven dependency for Servlet 3.0 API?
...s.spec.javax.servlet</groupId>
<artifactId>jboss-servlet-api_3.0_spec</artifactId>
<version>1.0.0.Beta2</version>
<scope>provided</scope>
</dependency>
I completely removed the javaee-api from my dependencies and replaced it with the discret...
Get last element of Stream/List in a one-liner
...o you by the way know if it is possibly to omit a name (perhaps by using a _ or similar) in cases where you do not need a parameter? So would be: .reduce((_, current) -> current) if only that aws valid syntax.
– skiwi
Jan 29 '14 at 20:18
...
How do I iterate over a JSON structure? [duplicate]
...
Similarly, lodash offers _.forEach (alias _.each for underscore compatibility) to accomplish the same.
– Ville
Oct 25 '14 at 5:29
...
