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Difference between StringBuilder and StringBuffer
...to remove a few sevens. Explanation: the synchronization is optimized away by hotspot. You are basically just measuring the time it takes hotspot to do this (and probably some more optimizations).
– Jilles van Gurp
Aug 26 '12 at 15:25
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How to fix a locale setting warning from Perl?
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If you have admin rights, stop ssh from sending the environment variables by commenting out the SendEnv LANG LC_* line in the local /etc/ssh/ssh_config file. (Thanks to this answer. See Bug 1285 for OpenSSH for more.)
shar...
Ruby get object keys as array
I am new to Ruby, if I have an object like this
4 Answers
4
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Redirect from an HTML page
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Use of meta refresh is discouraged by the World Wide Web Consortium (W3C). Ref: en.wikipedia.org/wiki/Meta_refresh. So it is reccomended to use server redirect instead. JavaScript redirects may not work on all the mobile phones as JavaScript might be disabled...
How to profile methods in Scala?
...R): R = {
val t0 = System.nanoTime()
val result = block // call-by-name
val t1 = System.nanoTime()
println("Elapsed time: " + (t1 - t0) + "ns")
result
}
// Now wrap your method calls, for example change this...
val result = 1 to 1000 sum
// ... into this
val result = time { ...
How can I tell which homebrew formulae are upgradable?
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
string sanitizer for filename
...ing a small adjustment to Tor Valamo's solution to fix the problem noticed by Dominic Rodger, you could use:
// Remove anything which isn't a word, whitespace, number
// or any of the following caracters -_~,;[]().
// If you don't need to handle multi-byte characters
// you can use preg_replace rat...
catch exception that is thrown in different thread
... I preferred to read about this in the O'Reilly book C# 3.0 in a nutshell, by the brothers Albahari (2007), which is also freely accessible on Google Books, just like the newer version of the book, because it also covers thread pooling, foreground versus background threads, etc etc, with nice and si...
Import a module from a relative path
...y when directory is already in sys.path and in my case it wasn't. Solution by "sorin" (accepted one) always works.
– Czarek Tomczak
Nov 22 '11 at 23:27
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Eclipse executable launcher error: Unable to locate companion shared library
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I wouldn't believe this if I haven't experienced it by myself but it solved my problem!
– nuala
Aug 17 '12 at 9:04
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