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Inspect element that only appear when other element is mouse overed/entered
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It's fairly easy in Chrome 38.0.2094.0.
Here's what it'll look like:
Step-by-step:
Open the DevTools in the Sources panel
Make the tooltip appear by hovering over the button
Press F8 to freeze the page
Switch to the Elements panel and use the magnify...
Javascript Regex: How to put a variable inside a regular expression?
...licious content (e.g. the variable comes from user input)
ES6 Update
In 2019, this would usually be written using a template string, and the above code has been updated. The original answer was:
var regex = new RegExp("ReGeX" + testVar + "ReGeX");
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string.replace(regex, "replacement");
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Are HLists nothing more than a convoluted way of writing tuples?
...1 = f1.toList // Inferred type is List[Int]
val t2 = (23, ((true, 2.0, "foo"), "bar"), (13, false))
val f2 = flatten(t2)
val t2b = f2.tupled
// Inferred type of t2b is (Int, Boolean, Double, String, String, Int, Boolean)
Without using HLists (or something equivalent) to abstract over the ar...
How to change value of process.env.PORT in node.js?
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edited Jan 28 '14 at 21:04
answered Nov 11 '12 at 16:56
J...
setting multiple column using one update
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answered Sep 8 '10 at 12:00
PekkaPekka
408k128128 gold badges907907 silver badges10481048 bronze badges
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Get line number while using grep
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edited May 10 at 14:10
Dominykas Mostauskis
6,11322 gold badges3838 silver badges5555 bronze badges
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What is the equivalent of the C++ Pair in Java?
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404
In a thread on comp.lang.java.help, Hunter Gratzner gives some arguments against the presence o...
What do the f and t commands do in Vim?
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209
Your first stop with questions like these should be vim's internal help, :h f and :h t. Howeve...
Foreign key constraints: When to use ON UPDATE and ON DELETE
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490
Do not hesitate to put constraints on the database. You'll be sure to have a consistent database...
Effects of the extern keyword on C functions
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140
We have two files, foo.c and bar.c.
Here is foo.c
#include <stdio.h>
volatile unsigned ...