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Base64 Java encode and decode a string [duplicate]
...ould be to try/catch the encoding/decoding steps but hopefully you get the idea.
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How to escape the % (percent) sign in C's printf?
... then go through it doubling up the % signs. I eventually came across this idea and replaced a 20-30 line function with one line. Don't worry, I did beat myself severely about the head, as I deserved.
– Graeme Perrow
Dec 7 '09 at 14:19
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How to get Sinatra to auto-reload the file after each change?
...rackup, instead do
the following:
$ rerun 'rackup'
You get the idea.
If you still want in-process reloading, check out Sinatra::Reloader.
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QString to char* conversion
...cesinOrbit: writing to QString's contents without it knowing is a horrible idea, hence of course const char* is what can really be obtained. The user is free to copy the data to a writable buffer.
– Eli Bendersky
Nov 16 '12 at 14:28
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How to list files in an android directory?
... Thanks Yury, strangely file.length gives a NullPointerException... any ideas? Spasibo!
– Roger Travis
Dec 27 '11 at 17:36
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“[notice] child pid XXXX exit signal Segmentation fault (11)” in apache error.log [closed]
...include the backtrace.
If the crash is hard to reproduce it may be a good idea to configure Apache to only use one child processes for handling requests. The config is something like this:
StartServers 1
MinSpareServers 1
MaxSpareServers 1
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How to read lines of a file in Ruby
...ne|
print "#{line_num += 1} #{line}"
end
Of course this could be a bad idea on very large files since it means loading the whole file into memory.
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Extract a number from a string (JavaScript)
... return 'num = str.replace(/' + res[i].source + '/g, "")';
return 'no idea';
};
function update() {
$ = function(x) { return document.getElementById(x) };
var re = getre($('str').value, $('num').value);
$('re').innerHTML = 'Numex speaks: <code>' + re + '</code>';
}
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Prevent screen rotation on Android
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great idea :) you don't have store your current screen orientation you can use ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED
– fligant
Apr 22 '14 at 14:07
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How to get a value from a cell of a dataframe?
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@Sophologist looking at this, I have no idea. The question is a little strangely worded, but it reads like the first half is immaterial to the latter. (at is a really nice answer, though I find it strange it's like ix :) )
– Andy Hayden
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