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html select option separator
...de worked for me great in jsfiddle, but when I tried to copy/paste it into my code, it didn't properly translate. So for those with that problem, the HTML encoding for the horizontal unicode box drawing character is ─ fileformat.info/info/unicode/char/2500/index.htm and there is also a h...
C# Java HashMap equivalent
...s
Java's HashMap has the put and get methods for setting/getting items
myMap.put(key, value)
MyObject value = myMap.get(key)
C#'s Dictionary uses [] indexing for setting/getting items
myDictionary[key] = value
MyObject value = myDictionary[key]
null keys
Java's HashMap allows null keys
.N...
Fastest way to duplicate an array in JavaScript - slice vs. 'for' loop
...the fastest way. However, it is even faster if you add the 0 begin index.
myArray.slice(0);
is faster than
myArray.slice();
http://jsperf.com/cloning-arrays/3
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Custom toast on Android: a simple example
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My custom toast wasn't showing up because I was using the new Constraint Layout as my custom toast's rootview. Once I changed to Linear Layout, everything worked perfectly. So be warned...
– Charles Wo...
/bin/sh: pushd: not found
... But setting SHELL will not work in this case, see test1 in my answer, stackoverflow.com/questions/5193048/bin-sh-pushd-not-found/….
– hlovdal
Mar 4 '11 at 12:30
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How can I close a buffer without closing the window?
...r people have said, if you mostly use vertical splits, switch sp with vsp. my .vimrc entry looks like this: cnoremap bd bp<bar>vsp<bar>bn<bar>bd
– Connor
Dec 17 '18 at 16:08
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Git ignore sub folders
I have a lot of projects in my .Net solution. I would like to exclude all "bin/Debug" and "bin/Release" folders (and their contents), but still include the "bin" folder itself and any dll's contained therein.
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Java SE 6 vs. JRE 1.6 vs. JDK 1.6 - What do these mean?
...ferent Java terms floating around. I need to install the JDK 1.6. It was my understanding that Java 6 == Java 1.6. However, when I install Java SE 6, I get a JVM that reports as version 11.0! Who can solve the madness?
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event.preventDefault() vs. return false
...lt" here. I for one keep confusing them. Is this correct? Propagation = my code (JavaScript event handlers for parent elements). Default = browser code (links, text selection, etc.)
– Bob Stein
Jul 28 '13 at 14:49
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ORA-00979 not a group by expression
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@AaronDigulla That's what MySQL does, and the world didn't end :p
– Chris Baker
Aug 27 '14 at 21:32
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