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Valid to use (anchor tag) without href attribute?
.... Originally the HTML specification allowed for named anchors (<a name="foo">) and linked anchors (<a href="#foo">).
The named anchor format is less commonly used, as the fragment identifier is now used to specify an [id] attribute (although for backwards compatibility you can still spe...
Member '' cannot be accessed with an instance reference
...our static class name.
Given the a static Bar class, defined on namespace Foo, implementing a method Jump or a property, chances are you are receiving compiler error because there is also another namespace ending on Bar. Yep, fishi stuff ;-)
If that's so, it means your using a Using Bar; and a Bar...
How to set a value to a file input in HTML?
...
You cannot, due to security reasons.
Imagine:
<form name="foo" method="post" enctype="multipart/form-data">
<input type="file" value="c:/passwords.txt">
</form>
<script>document.foo.submit();</script>
You don't want the websites you visit to be able ...
Appending a line to a file only if it does not already exist
...ep + echo should suffice:
grep -qxF 'include "/configs/projectname.conf"' foo.bar || echo 'include "/configs/projectname.conf"' >> foo.bar
-q be quiet
-x match the whole line
-F pattern is a plain string
https://linux.die.net/man/1/grep
Edit:
incorporated @cerin and @thijs-wouters sugges...
How to attribute a single commit to multiple developers?
...ug linked in Gerry's answer
Co-authored-by: Some One <some.one@example.foo>
In that comment on May 5, 2010, Josh Triplett also suggests implementing corresponding support in git.
As Llopis pointed out in a comment, GitHub announced support for this on their blog on Jan 29, 2018: Commit tog...
How to change CSS using jQuery?
...don't need to put quotes around the property names in an object literal - {foo: "bar"} is the same as {"foo": "bar"}.
– Tgr
Sep 16 '10 at 19:44
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What is the difference between JDK dynamic proxy and CGLib?
.... No need for interfaces.
So Java Dynamic proxies can proxy: public class Foo implements iFoo where CGLIB can proxy: public class Foo
EDIT:
I should mention that because javassist and CGLIB use proxy by subclassing, that this is the reason you cannot declare final methods or make the class final ...
How to get the unix timestamp in C#
...cNow.ToUnixTimeSeconds()
To get the timestamp from a DateTime:
DateTime foo = DateTime.UtcNow;
long unixTime = ((DateTimeOffset)foo).ToUnixTimeSeconds();
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Remove duplicate values from JS array [duplicate]
...just [1]
for the same reason, all objects will be considered equal: uniq([{foo:1},{foo:2}]) will return just [{foo:1}].
That said, if your arrays contain only primitives and you don't care about types (e.g. it's always numbers), this solution is optimal.
The best from two worlds
A universal solu...
Ruby / Rails - Change the timezone of a Time, without changing the value
I have a record foo in the database which has :start_time and :timezone attributes.
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