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How to delete a file after checking whether it exists
...nts, you don't actually need to do the File.Exists check since File.Delete doesn't throw an exception if the file doesn't exist, although if you're using absolute paths you will need the check to make sure the entire file path is valid.
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Declaring variables inside or outside of a loop
Why does the following work fine?
20 Answers
20
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Bash: Syntax error: redirection unexpected
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Does your script reference /bin/bash or /bin/sh in its hash bang line? The default system shell in Ubuntu is dash, not bash, so if you have #!/bin/sh then your script will be using a different shell than you expect. Dash does...
Are memory leaks ever ok? [closed]
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Doesn't matter if it's growing or not. Other programs can't use the memory if you have it allocated.
– Bill the Lizard
Nov 7 '08 at 19:17
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Streaming via RTSP or RTP in HTML5
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(but not really...)
HTML 5's <video> tag is protocol agnostic—it does not care. You place the protocol in the src attribute as part of the URL. E.g.:
<video src="rtp://myserver.com/path/to/stream">
Your browser does not support the VIDEO tag and/or RTP streams.
</video>
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“Least Astonishment” and the Mutable Default Argument
...saying that would be better, just that functions being first-class objects does not fully preclude it.
– gerrit
Jan 11 '13 at 10:55
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Using setImageDrawable dynamically to set image in an ImageView
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However using setImageResource() "does Bitmap reading and decoding on the UI thread, which can cause a latency hiccup ... consider using setImageDrawable() or setImageBitmap()." (Android documentation)
– chetto
Oct 25 '1...
What's the best way to distribute Java applications? [closed]
.... Setting up the code signing is more trouble than it's worth and the user doesn't understand the security benefits and messages anyway. If you want to do anything on the users system you're going to have to pay for your code signing certificate to get rid of the scary warnings It does a lot of comp...
Parse query string in JavaScript [duplicate]
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@gotofritz, I don't think that does the same thing: "a=b=c".split("=", 2) gives you [ 'a', 'b' ], what you'd want instead is ['a', 'b=c']
– Timothée Groleau
Jun 22 '15 at 8:19
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How do you crash a JVM?
...is Runtime.getRuntime().halt( status ). According to the docs "this method does not cause shutdown hooks to be started and does not run uninvoked finalizers if finalization-on-exit has been enabled". Still not a crash, but closer than System.exit.
– henry
Apr 1...