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Chrome desktop notification example [closed]
...ons:
Desktop notifications - simple to trigger, work as long as the page is open, and may disappear automatically after a few seconds
Service Worker notifications - a bit more complicated, but they can work in the background (even after the page is closed), are persistent, and support action butto...
(![]+[])[+[]]… Explain why this works
The output of this code is: fail . Why?
1 Answer
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URL rewriting with PHP
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You can essentially do this 2 ways:
The .htaccess route with mod_rewrite
Add a file called .htaccess in your root folder, and add something like this:
RewriteEngine on
RewriteRule ^/?Some-text-goes-here/([0-9]+)$ /picture.php?id=$1
This will tel...
Modifying a subset of rows in a pandas dataframe
... I have a pandas DataFrame with two columns, A and B. I'd like to modify this DataFrame (or create a copy) so that B is always NaN whenever A is 0. How would I achieve that?
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Thymeleaf: how to use conditionals to dynamically add/remove a CSS class
By using Thymeleaf as template engine, is it possible to add/remove dynamically a CSS class to/from a simple div with the th:if clause?
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Cannot open database “test” requested by the login. The login failed. Login failed for user 'xyz\ASP
I have created a web service which is saving some data into to db. But I am getting this error:
23 Answers
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ANTLR: Is there a simple example?
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Note: this answer is for ANTLR3! If you're looking for an ANTLR4 example, then this Q&A demonstrates how to create a simple expression parser, and evaluator using ANTLR4.
You first create a grammar. Below is a small grammar th...
How can I convert a Unix timestamp to DateTime and vice versa?
There is this example code, but then it starts talking about millisecond / nanosecond problems.
19 Answers
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How to turn on front flash light programmatically in Android?
...ically in Android. I googled for it but the help i found referred me to this page
11 Answers
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What does curly brackets in the `var { … } = …` statements do?
Not sure if this is a Mozilla-specific JS syntax, but I often found variables being declared this way, for example, in add-on SDK docs :
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