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Fastest way to tell if two files have the same contents in Unix/Linux?
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I believe cmp will stop at the first byte difference:
cmp --silent $old $new || echo "files are different"
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MySQL Workbench Dark Theme
I am new here on Stackoverflow and have full of excitement bringing up my first question. My first question is all about changing the color appearance of MySQL Workbench from the default of white background to its negative value of black.
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How do I hide .class files from the Open Resource dialog in Eclipse?
...ived resources globally for the workspace, but I believe when you create a new Java project the 'bin' folder is marked as derived by default (if you use the default wizard settings)
Here are some screenshots from Eclipse Kepler. The first shows how to filter derived resources by unchecking 'Show...
Preview an image before it is uploaded
...input) {
if (input.files && input.files[0]) {
var reader = new FileReader();
reader.onload = function(e) {
$('#blah').attr('src', e.target.result);
}
reader.readAsDataURL(input.files[0]); // convert to base64 string
}
}
$("#imgInp").change(fun...
中文网（自研/维护）拓展 · App Inventor 2 中文网
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HexaStringMode
Method to specify the mode (string or hexastring)
SeqNewLine
Method that returns a string containing “\n” sequence
SeqNewLineAndRet
Method that returns a string containing “\n\r” sequence
SeqRet
Method that returns a string containing “\r” sequence
SeqRe...
Accept function as parameter in PHP
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Damn, I knew it was possible. Was going to answer, but wanted to find some documentation to link to first, and didn't know what it was called exactly. Ah well, now I'll know for when I need to do this as well. Thanks.
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“Keep Me Logged In” - the best approach
...HING match with the hash from the database, which should also match with a newly calculated hash (for the ip) thus: cookieHash==databaseHash==md5(salt+username+ip+salt), if they do, goto 2, if they don't goto 1
Off course you can use different cookie names etc. also you can change the content of t...
How to set a Fragment tag by code?
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You can set tag to fragment in this way:
Fragment fragmentA = new FragmentA();
getFragmentManager().beginTransaction()
.replace(R.id.MainFrameLayout,fragmentA,"YOUR_TARGET_FRAGMENT_TAG")
.addToBackStack("YOUR_SOURCE_FRAGMENT_TAG").commit();
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How does UTF-8 “variable-width encoding” work?
...entially D86). I have no idea to what extent this link will be useful when new versions are released but I would imagine that they want to keep the section and definition identifiers stable across versions.
– tripleee
Jan 5 '18 at 9:41
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Could not reserve enough space for object heap
...stem->Advanced(tab)->Environment Variables->System
Variables->New: Variable name: _JAVA_OPTIONS
Variable value: -Xmx512M
Variable name: Path
Variable value: %PATH%;C:\Program Files\Java\jre6\bin;F:\JDK\bin;
Change this to your appropriate path.
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