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“No X11 DISPLAY variable” - what does it mean?
...erent userid, this will fail.
If you're coming in from another machine, and you're at the main display of that machine and it's running X, then you can use "ssh -X hostname" to connect to that host, and ssh will forward the X display back. ssh will also make sure that the DISPLAY environment var...
Using ECMAScript 6
...hrome://flags/#enable-javascript-harmony, enable this flag, restart Chrome and you will get many new features.
Arrow functions are not yet implemented in V8/Chrome, so this flag won't "unlock" arrow functions.
Since arrow functions are a syntax change, it is not possible to support this syntax wit...
What are the primary differences between TDD and BDD? [closed]
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I understand BDD to be more about specification than testing. It is linked to Domain Driven Design (don't you love these *DD acronyms?).
It is linked with a certain way to write user stories, including high-level tests. An example b...
Callback of .animate() gets called twice jquery
...mate on:
If supplied, the start, step, progress, complete, done, fail, and always callbacks are called on a per-element basis...
Since you're animating two elements (the html element, and the body element), you're getting two callbacks. (For anyone wondering why the OP is animating two element...
Ruby sleep or delay less than a second?
... per second, but I need to wait 1/24th of a second between sending the commands. What is the best way to sleep for less than a second?
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Why is \r a newline for Vim?
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For me the point of confusion is that \r and \n mean different things when used is the search pattern and the replacement pattern.
– dlamblin
Dec 4 '12 at 17:09
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How to reference constants in EL?
...e.YourConstants" %>
This will under the covers be imported via ImportHandler#importClass() and be available as ${YourConstants.FOO}.
Note that all java.lang.* classes are already implicitly imported and available like so ${Boolean.TRUE} and ${Integer.MAX_VALUE}. This only requires a more recen...
“implements Runnable” vs “extends Thread” in Java
...purer" way to go.
In practical terms, it means you can implement Runnable and extend from another class as well.
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Numpy first occurrence of value greater than existing value
I have a 1D array in numpy and I want to find the position of the index where a value exceeds the value in numpy array.
7 A...
Disable intellij indexing on specific folder
...o disable indexing on that folder? Everything slows down whenever I deploy and it's really annoying - I have to wait a few minutes whilist intellij doing unnecessary indexing. In module view I excluded that folder but it's not helping. Any help would be appreciated.
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