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MongoDB not equal to
... $not operator for
logical disjunctions and the $ne operator to test the contents of
fields directly.
Since you are testing the field directly $ne is the right operator to use here.
Edit:
A situation where you would like to use $not is:
db.inventory.find( { price: { $not: { $gt: 1.99 } } } ...
What is the effect of encoding an image in base64?
...led "deflate"), there might be even a win on size. But it depends on image content.
Request overhead of HTTP1.1: Especially with a lot of cookies you can easily have a few kilobytes overhead per request. Embedding base64 images might save bandwith.
Do not base64 encode SVG images, because gzip is mo...
Git - Difference Between 'assume-unchanged' and 'skip-worktree'
...lect the reality by resetting the flag.
File with assume-unchanged flag: Content is updated, flag is lost.
‘git ls-files -v’ would show that flag is modified to H (from h).
File with skip-worktree flag: Content is updated, flag is preserved.
‘git ls-files -v' would show the same S flag as be...
What's best SQL datatype for storing JSON string?
...your client can handle GZip compression (e.g browser that understands gzip content), you can directly return compressed content. Note that this is performance/storage trade-off. If you frequently query compressed data you mig have slower performance because tm>ex m>t must be decompressed each time.
...
What can I do with a moved-from object?
...ypes. Some like containers are relatively obvious — they just move their contents around and an empty container is a well-defined valid state. Primitives don't modify the moved-from object.
Side note: I believe it's T c = std::move(a) so that if the move constructor (or copy constructor if no mov...
What is ng-transclude?
...e in the directive template to mark the point where you want to insert the contents of the element
angular.module('app', [])
.directive('hero', function () {
return {
restrict: 'E',
transclude: true,
scope: { name:'@' },
template: '<div>' +
'&lt...
how to ignore namespaces with XPath
...efault.GetBytes(_withXmlns)));
xmlReader.Namespaces = false;
var content = XElement.Load(xmlReader);
XElement elem = content.XPathSelectElement("/Identification");
elem.Should().NotBeNull();
elem.Attribute("value").Value.Should().Be("ID123456");
}
with :
using System;
usin...
Render a variable as HTML in EJS
...would be the last type (with the <%-). In your case:
<%- my_form_content %>
For more tags, see the full EJS documentation
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Understanding scala enumerations
...Tue, Wed, Thu, Fri, Sat, Sun = Value
}
and you do not have to import the contents of object WeekDay, but then you would need to use type WeekDay.Value and to qualify individual members. So the m>ex m>ample would become
def isWorkingDay(d: WeekDay.Value) = ! (d == WeekDay.Sat || d == WeekDay.Sun)
T...
The Concept of 'Hold space' and 'Pattern space' in sed
...in the pattern space
on the second line, first we m>ex m>ecute G, appending the contents of the hold buffer to the pattern buffer, separating it by a newline. The pattern space now contains the second line, a newline, and the first line.
Then, h command inserts the concatenated contents of the pattern bu...