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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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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...
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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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.
11 Answers
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How can I select an element with multiple classes in jQuery?
... variable, which didn't work with the syntax in the first example. eg: $('.foo').filter(variable). Thanks
– pac
Feb 9 '12 at 22:28
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Why does my 'git branch' have no master?
... branch name). So if the repository you cloned had a HEAD pointed to, say, foo, then your clone will just have a foo branch.
The remote you cloned from might still have a master branch (you could check with git ls-remote origin master), but you wouldn't have created a local version of that branch b...
Check if an element contains a class in JavaScript?
...ement = document.querySelector('#example');
console.log(element.matches('.foo')); // true
<div id="example" class="foo bar"></div>
View Browser Compatibility
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