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What characters are valid for JavaScript variable names?

...ou an idea of how wrong Anthony Mills' answer is: if you were to summarize all these rules in a single ASCII-only regular expression for JavaScript, it would be 11,236 characters long. Here it is: // ES5.1 / Unicode 6.1 /^(?!(?:do|if|in|for|let|new|try|var|case|else|enum|eval|false|null|this|true|v...
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In Python, how can you load YAML mappings as OrderedDicts?

... Update: In python 3.6+ you probably don't need OrderedDict at all due to the new dict implementation that has been in use in pypy for some time (although considered CPython implementation detail for now). Update: In python 3.7+, the insertion-order preservation nature of dict objects h...
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How do I find which program is using port 80 in Windows? [duplicate]

... Then you either need to watch through list carefully or install some additional software. technet.microsoft.com/en-us/sysinternals/bb897437.aspx for example. – n0rd Dec 25 '09 at 8:14 ...
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PHP mkdir: Permission denied problem

...te permissions on the directory. Here's what you do in Ubuntu Make sure all files are owned by the Apache group and user. In Ubuntu it is the www-data group and user chown -R www-data:www-data /path/to/webserver/www Next enabled all members of the www-data group to read and write files chmod -R...
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Super-simple example of C# observer/observable with delegates

... The observer pattern is usually implemented with events. Here's an example: using System; class Observable { public event EventHandler SomethingHappened; public void DoSomething() => SomethingHappened?.Invoke(this, EventArgs.Empt...
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About catching ANY exception

How can I write a try / except block that catches all exceptions? 8 Answers 8 ...
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Store JSON object in data attribute in HTML jQuery

...in the text just use $('#myElement').data('key',jsonObject); it won't actually be stored in the html, but if you're using jquery.data, all that is abstracted anyway. To get the JSON back don't parse it, just call: var getBackMyJSON = $('#myElement').data('key'); If you are getting [Object Objec...
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How do I capture the output of a script if it is being ran by the task scheduler?

...is as the command string in Task Scheduler: cmd /c yourscript.cmd > logall.txt share | improve this answer | follow | ...
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What is the difference between JSON and Object Literal Notation?

... Lets clarify first what JSON actually is. JSON is a textual, language-independent data-exchange format, much like XML, CSV or YAML. Data can be stored in many ways, but if it should be stored in a text file and be readable by a computer, it needs to follow ...
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RSS Feeds in ASP.NET MVC

... Here is what I recommend: Create a class called RssResult that inherits off the abstract base class ActionResult. Override the ExecuteResult method. ExecuteResult has the ControllerContext passed to it by the caller and with this you can get the data and content type...