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Difference between hard wrap and soft wrap?
...u come back later and edit/add/remove words later on. (You can do this manually in emacs with M-q.)
This is rather annoying, since obsessive compulsive people like me then go back and have to manually re-insert the hard breaks at the appropriate points.
On the other hand, soft wrapping is annoyin...
How to Turn Off Showing Whitespace Characters in Visual Studio IDE
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@Vintharas: It exists because people like me keep it on ALL THE TIME, because we like always being aware of what we're inserting or how we're changing the file. Gives us more casual control over our environment. There are also cases where it's actually critical, such as inside s...
Are Java static calls more or less expensive than non-static calls?
...e any difference. Hotspot may choose to optimize in ways that make static calls faster for one method, non-static calls faster for another.
Third: much of the mythos surrounding static versus non-static are based either on very old JVMs (which did not do anywhere near the optimization that Hotspot ...
What is the function of the push / pop instructions used on registers in x86 assembly?
...es. The general usage is
push eax ; preserve the value of eax
call some_method ; some method is called which will put return value in eax
mov edx, eax ; move the return value to edx
pop eax ; restore original eax
A push is a single instruction in x86, which do...
Friend declaration in C++ - difference between public and private
...nd of class A and now can access its private and protected members, that's all.
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Run Cron job every N minutes plus offset
...e step. The command will run at the first minute in the range (0), then at all successive minutes that are distant from the first by step (1), until the last (59).
Which is why */20 * * * * will run at 0 minutes, 20 minutes after, and 40 minutes after -- which is the same as every 20 minutes. Howev...
Git: cannot checkout branch - error: pathspec '…' did not match any file(s) known to git
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Try git fetch so that your local repository gets all the new info from github. It just takes the information about new branches and no actual code. After that the git checkout should work fine.
shar...
How can I check if a method is static using reflection?
...return Collections.unmodifiableList(methods);
}
Note: This method is actually dangerous from a security standpoint. Class.getMethods "bypass[es] SecurityManager checks depending on the immediate caller's class loader" (see section 6 of the Java secure coding guidelines).
Disclaimer: Not tested or...
CSS: Setting width/height as Percentage minus pixels
...n use calc:
height: calc(100% - 18px);
It's worth it to note that not all browsers currently support the standard CSS3 calc() function, so implementing the browser specific versions of the function may be required like the following:
/* Firefox */
height: -moz-calc(100% - 18px);
/* WebKit */
h...
pyplot scatter plot marker size
...This can be a somewhat confusing way of defining the size but you are basically specifying the area of the marker. This means, to double the width (or height) of the marker you need to increase s by a factor of 4. [because A = WH => (2W)(2H)=4A]
There is a reason, however, that the size of mark...