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Groovy Shell warning “Could not open/create prefs root node …”
...o a backport for Java8 which is in u202.
What you see is really a warning from the JDK's internal logger. It is not an exception. I believe that the warning can be safely ignored .... unless the user code is indeed wanting the system preferences, but that is very rarely the case.
Bonus info
The ...
Using an integer as a key in an associative array in JavaScript
...:
console.log(test[2300]);
// Output: 'Some string'
When getting the keys from the object, though, they aren't going to be turned back into numbers:
for (var key in test) {
console.log(typeof key);
}
// Output: 'string'
Map
ECMAScript 6 allows the use of the Map object (documentation, a compar...
Controlling number of decimal digits in print output in R
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Execute script after specific delay using JavaScript
...n you can't use sleep in javascript is because you'd block the entire page from doing anything in the meantime. Not a good plan. Use Javascript's event model and stay happy. Don't fight it!
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Python pandas: fill a dataframe row by row
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How to float 3 divs side by side using CSS?
... just before closing the Container DIV, it helps clear all subsequent DIVs from overlapping with the DIVs i've created side-by-side at the top!
<div>
<div class="left"></div>
<div class="left"></div>
...
...
<div class="left"></div>
<!-- then magic tric...
Why are interface variables static and final by default?
...
From the Java interface design FAQ by Philip Shaw:
Interface variables are static because Java interfaces cannot be instantiated in their own right; the value of the variable must be assigned in a static context in which ...
CSS/HTML: Create a glowing border around an Input Field
...et/simevidas/CXUpm/1/show/
(to view the code for the demo, remove "show/" from the URL)
label {
display:block;
margin:20px;
width:420px;
overflow:auto;
font-family:sans-serif;
font-size:20px;
color:#444;
text-shadow:0 0 2px #ddd;
padding:20px 10px ...
Detecting syllables in a word
...
Here is a solution using NLTK:
from nltk.corpus import cmudict
d = cmudict.dict()
def nsyl(word):
return [len(list(y for y in x if y[-1].isdigit())) for x in d[word.lower()]]
s...
What should I do if two libraries provide a function with the same name generating a conflict?
... - lest someone else came along, trying to load the thing again. You'd go from one conflict to dozens or hundreds. =] I love this about stackoverflow: we have a tested answer to a question and it has 3 votes. The first (incomplete) answer: 17. =]
– Sniggerfardimungus
...