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how to get program files x86 env variable?
... like to know how I can display the location of Program Files (x86) in command prompt. I'm using Windows 7 64bit.
4 Answer...
Simple (I think) Horizontal Line in WPF?
Creating a relatively simple data entry form, and just want to separate certain sections with a horizontal line (not unlike an HR tag in HTML) that stretches the full length of the form.
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Why is using onClick() in HTML a bad practice?
...e it's not good for semantics. I would like to know what the downsides are and how to fix the following code?
10 Answers
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Does Python optimize tail recursion?
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No, and it never will since Guido van Rossum prefers to be able to have proper tracebacks:
Tail Recursion Elimination (2009-04-22)
Final Words on Tail Calls (2009-04-27)
You can manually eliminate the recursion with a transfor...
Sometimes adding a WCF Service Reference generates an empty reference.cs
Sometimes adding a WCF Service Reference generates an empty reference.cs and I cannot reference the service anywhere in the project.
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WebSockets vs. Server-Sent events/EventSource
Both WebSockets and Server-Sent Events are capable of pushing data to browsers. To me they seem to be competing technologies. What is the difference between them? When would you choose one over the other?
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How can I rotate an HTML 90 degrees?
...45 degrees rotation in the demo, so you can see the effect)
Note: The -o- and -moz- prefixes are no longer relevant and probably not required. IE9 requires -ms- and Safari and the Android browser require -webkit-
Update 2018: Vendor prefixes are not needed anymore. Only transform is sufficient. ...
In PHP, how to detect the execution is from CLI mode or through browser ? [duplicate]
I have a common script which Im including in my PHPcron files and the files which are accessing through the browser. Some part of the code, I need only for non cron files. How can I detect whether the execution is from CLI or through browser (I know it can be done by passing some arguments with the ...
Setting the selected value on a Django forms.ChoiceField
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the tuples represent (value, label) pairs for the options and you want to specify the initial value - so the '3' refers to the first item.
– Tom
Oct 29 '17 at 10:19
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Is HTML5 localStorage asynchronous?
...illa localstorage docs, but it looks like they've been revised since then (and the W3 spec doesn't appear to require sync/async anywhere). At this point, I'd say localstorage calls are synchronous by convention but not by spec. Unless you're aware of a browser that's implemented it async?
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