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What is the difference between JVM, JDK, JRE & OpenJDK?
...deed, there are specific implementations of the JVM for different systems (Windows, Linux, macOS, see the Wikipedia list), the aim is that with the same bytecodes they all give the same results.
JDK and JRE
To explain the difference between JDK and JRE, the best is to read the Oracle documentation a...
Listening for variable changes in JavaScript
... print('Value changed! New value: ' + value);
}
});
};
})(window);
varw('varWatch'); // Declare
print(varWatch);
varWatch = 456;
print(varWatch);
print('---');
varw('otherVarWatch', 123); // Declare with initial value
print(otherVarWatch);
otherVarWatch = 789;
print(o...
Git branching: master vs. origin/master vs. remotes/origin/master
...e base.
In linux sudo apt-get install tree is useful to view this.
In Windows I think the tree command might still work.
Scroll down and take a look at refs (aka 'references') near
Bootstrap dropdown sub menu missing
...ar menupos = $(menu).offset();
if (menupos.left + menu.width() > $(window).width()) {
var newpos = -$(menu).width();
menu.css({ left: newpos });
} else {
var newpos = $(this).parent().width();
menu.css({ left: newpos });
}
});
CSS: FROM backgrou...
How to save as a new file and keep working on the original one in Vim?
...
The following command will create a copy in a new window. So you can continue see both original file and the new file.
:w {newfilename} | sp #
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How to find out which fonts are referenced and which are embedded in a PDF document
...
Windows: findstr FontName yourPDFfilepath.pdf
– Craigo
May 25 '12 at 3:57
11
...
CSS hexadecimal RGBA?
...l look very similar to this:
Using the most recent version of Chrome on Windows (v39.0.2171) to inspect our <figure> element, we'll see the following:
The 6-digit hexadecimal fall back is overridden by the rgba() values, and our 8-digit hexadecimal values are ignored as they are currentl...
How to check if a python module exists without importing it
...ading by typing q
To exit the python interactive session press Ctrl + D
Windows script file method also Linux/UNIX compatible, and better overall:
#!/usr/bin/env python
import sys
help(sys.argv[1])
Calling it from the command like:
python module_help.py site
Would output:
Help...
Usage of sys.stdout.flush() method
... @Ciastopiekarz What can we do to have the buffer flushed on windows?
– helplessKirk
Nov 10 '15 at 16:41
...
Swift: #warning equivalent
... see they are no where on the bar that is located at the top of the editor window in Xcode. The only way to notice them (to me) seems to be to search for them with Command + F. Where are the landmarks shown?
– almel
Jul 24 '14 at 16:14
...