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NameValueCollection vs Dictionary [duplicate]

...cannot. Personally if you don't have duplicate keys, then I would stick with the Dictionary. It's more modern, uses IEnumerable<> which makes it easy to mingle with Linq queries. You can even create a Dictionary using the Linq ToDictionary() method. ...
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Python List vs. Array - when to use?

If you are creating a 1d array, you can implement it as a List, or else use the 'array' module in the standard library. I have always used Lists for 1d arrays. ...
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Why declare unicode by string in python?

...le you've saved is utf-8. The default for Python 2 is ASCII (for Python 3 it's utf-8). This just affects how the interpreter reads the characters in the file. In general, it's probably not the best idea to embed high unicode characters into your file no matter what the encoding is; you can use st...
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PowerShell says “execution of scripts is disabled on this system.”

...ExecutionPolicy Cmdlet. When you are done, you can set the policy back to its default value with: Set-ExecutionPolicy Restricted share | improve this answer | follow ...
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Difference between validate(), revalidate() and invalidate() in Swing GUI

...s invalid. Means the content is somehow wrong and must be re-laid out. But it's just a kind of mark/flag. It's possible that multiple invalid containers must be refreshed later. validate() performs relayout. It means invalid content is asked for all the sizes and all the subcomponents' sizes are se...
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Chrome hangs after certain amount of data transfered - waiting for available socket

... Looks like you are hitting the limit on connections per server. I see you are loading a lot of static files and my advice is to separate them on subdomains and serve them directly with Nginx for example. Create a subdomain called img.yoursite...
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Does free(ptr) where ptr is NULL corrupt memory?

... (ptr) free(ptr); This is because some C runtimes (I for sure remember it was the case on PalmOS) would crash when freeing a NULL pointer. But nowadays, I believe it's safe to assume free(NULL) is a nop as per instructed by the standard. ...
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How To Save Canvas As An Image With canvas.toDataURL()?

...tive app and I can't seem to figure out how to save my canvas as an image with canvas.toDataURL() . Can somebody help me out? ...
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Python locale error: unsupported locale setting

...en_US.UTF-8" export LC_CTYPE="en_US.UTF-8" sudo dpkg-reconfigure locales It will solve this. Make sure to match the .UTF-8 part to the actual syntax found in the output of locale -a e.g. .utf8 on some systems. share ...
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How to output something in PowerShell

I am running a PowerShell script from within a batch file. The script fetches a web page and checks whether the page's content is the string "OK". ...