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What's the difference if I put css file inside or ?
... of the HTML spec now permits the <style> tag within body elements. https://www.w3.org/TR/html5/dom.html#flow-content
Also the scoped attribute which used to be prerequisite to have a style tag in the body is now obsolete.
This means, that you can use the style tag everywhere you want, the o...
What is the maximum length of a Push Notification alert text?
...
For regular remote notifications, the maximum size is 4KB (4096 bytes)
https://developer.apple.com/library/content/documentation/NetworkingInternet/Conceptual/RemoteNotificationsPG/CreatingtheNotificationPayload.html
###iOS the size limit is 256 bytes, but since the introduction of iOS 8 has ch...
Check if table exists in SQL Server
...a named
INFORMATION_SCHEMA. This schema is contained in each database.
https://msdn.microsoft.com/en-us/library/ms186778.aspx
Therefore all tables you access using
IF EXISTS (SELECT 1
FROM [database].INFORMATION_SCHEMA.TABLES
WHERE TABLE_TYPE='BASE TABLE'
A...
How to measure code coverage in Golang?
...in a terminal I rewrote the cover tool for this purpose. It's available at https://github.com/gregoryv/uncover.
Usage
go get -u github.com/gregoryv/uncover/...
go test -coverprofile /tmp/c.out
uncover /tmp/c.out
Screenshot
...
Inserting HTML elements with JavaScript
...se Node.textContent to get a correct copy of these text nodes' contents.
https://developer.mozilla.org/en-US/docs/Web/API/Element/innerHTML
Or:
var html = '<div>Hello prepended</div>';
document.body.insertAdjacentHTML('afterbegin', html)
insertAdjacentHTML is probably a good altern...
Why can I change value of a constant in javascript
...:
Global constants do not become properties of the window object ...
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/const
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Understanding the Rails Authenticity Token
... where the Same Origin Policy comes to the rescue, as I have explained at: https://security.stackexchange.com/questions/8264/why-is-the-same-origin-policy-so-important/72569#72569
How Rails sends the tokens
Covered at: Rails: How Does csrf_meta_tag Work?
Basically:
HTML helpers like form_tag ad...
How can I visualize per-character differences in a unified diff file?
...cript that shows fine-grained highlights.
Quick start to use it:
$ curl https://git.kernel.org/cgit/git/git.git/plain/contrib/diff-highlight/diff-highlight > diff-highlight
$ chmod u+x diff-highlight
$ git diff --color=always HEAD~10 | diff-highlight | less -R
...
How do you create a transparent demo screen for an Android app?
...
Have you looked at ShowcaseView? https://github.com/Espiandev/ShowcaseView.
Using this:
View showcasedView = findViewById(R.id.view_to_showcase);
ViewTarget target = new ViewTarget(showcasedView);
ShowcaseView.insertShowcaseView(target, this, R.string.show...
Symfony2 : How to get form validation errors after binding the request to the form
...y 2.5 / 3.0:
$string = (string) $form->getErrors(true, false);
Docs:
https://github.com/symfony/symfony/blob/master/UPGRADE-2.5.md#form
https://github.com/symfony/symfony/blob/master/UPGRADE-3.0.md#form (at the bottom: The method Form::getErrorsAsString() was removed)
...