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Browsers' default CSS for HTML elements

... { margin: 8px } h1 { font-size: 2em; margin: .67em 0 } h2 { font-size: 1.5em; margin: .75em 0 } h3 { font-size: 1.17em; margin: .83em 0 } h4, p, blockquote, ul, fieldset, form, ol, dl, dir, menu { margin: 1.12em 0 } h5 { font-...
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How to determine the longest increasing subsequence using dynamic programming?

... 407 OK, I will describe first the simplest solution which is O(N^2), where N is the size of the col...
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Is 'float a = 3.0;' a correct statement?

... It is not an error to declare float a = 3.0 : if you do, the compiler will convert the double literal 3.0 to a float for you. However, you should use the float literals notation in specific scenarios. For performance reasons: Specifically, consider: float foo(...
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Java: random long number in 0

... Starting from Java 7 (or Android API Level 21 = 5.0+) you could directly use ThreadLocalRandom.current().nextLong(n) (for 0 ≤ x < n) and ThreadLocalRandom.current().nextLong(m, n) (for m ≤ x < n). See @Alex's answer for detail. If you are stuck with Java 6 (or A...
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In javascript, is an empty string always false as a boolean?

... | edited Jun 20 at 9:12 Community♦ 111 silver badge answered Jan 1 '12 at 12:09 ...
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How can I update the current line in a C# Windows Console App?

... 805 If you print only "\r" to the console the cursor goes back to the beginning of the current line...
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Cost of exception handlers in Python

...e just tried the following: import timeit statements=["""\ try: b = 10/a except ZeroDivisionError: pass""", """\ if a: b = 10/a""", "b = 10/a"] for a in (1,0): for s in statements: t = timeit.Timer(stmt=s, setup='a={}'.format(a)) print("a = {}\n{}".format(a,s)) ...
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List all indexes on ElasticSearch server?

...oncise list of all indices in your cluster, call curl http://localhost:9200/_aliases this will give you a list of indices and their aliases. If you want it pretty-printed, add pretty=true: curl http://localhost:9200/_aliases?pretty=true The result will look something like this, if your indic...
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GoTo Next Iteration in For Loop in java

...d would start the next iteration upon invocation For Example for(int i= 0 ; i < 5; i++){ if(i==2){ continue; } System.out.print(i); } This will print 0134 See Document share | im...
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Python - Create a list with initial capacity

... def doAppend( size=10000 ): result = [] for i in range(size): message= "some unique object %d" % ( i, ) result.append(message) return result def doAllocate( size=10000 ): result=size*[None] for i in range(siz...