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What is an OS kernel ? How does it differ from an operating system? [closed]
.... Not the least these variations is what constitutes a "shell" (which can range from Solaris' sh through Netware's Console Command Interpreter to OS/2's Workplace Shell and Windows NT's Explorer), but there's also a lot of variance from one operating system to another in what is, and isn't, a part ...
Immutable class?
... This is the exact resource to look at. The benefits that are mentioned range right from less error prone code to thread safety.
– gpampara
Jul 2 '10 at 5:37
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Break or return from Java 8 stream forEach?
...m.IntStream;
//import rx.Observable;
IntStream intStream = IntStream.range(1,10000000);
Observable.from(() -> intStream.iterator())
.takeWhile(n -> n < 10)
.forEach(n-> System.out.println(n));
...
pandas three-way joining multiple dataframes on columns
...Dict, onCols, how='outer', naFill=None):
keys = dfDict.keys()
for i in range(len(keys)):
key = keys[i]
df0 = dfDict[key]
cols = list(df0.columns)
valueCols = list(filter(lambda x: x not in (onCols), cols))
df0 = df0[onCols + valueCols]
df0.columns = onCols + [(s + '_' + k...
Regexp Java for password validation
...ion in the question is ambiguous because it does not state whether certain ranges of characters like control characters or non-ASCII characters are permitted or not.
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MongoDB inserts float when trying to insert integer
...onal component, they’re treated as integers—base-10 whole numbers in a range of –253 to 253.
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How to run Gulp tasks sequentially one after the other
...rs. They should really start with gulp 4, skipping all 3.* hassle and wide range of antipatterns.
– metalim
Apr 6 '16 at 21:51
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Splitting on first occurrence
... occurrence is not in the string you'll get "IndexError: list index out of range".
Therefore -1 will not get any harm cause number of occurrences is already set to one.
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Collect successive pairs from a stream
...nerate the pairs as requested by doing something like this:
IntStream.range(1, arrayList.size())
.mapToObj(i -> new Pair(arrayList.get(i-1), arrayList.get(i)))
.forEach(System.out::println);
Of course the limitation is that the input cannot be an infinite stream. ...
Why are dates calculated from January 1st, 1970?
...used at least nearly two dozen epochs. Some are from other centuries. They range from year 0 (zero) to 2001.
Here are a few.
January 0, 1 BC
January 1, AD 1
October 15, 1582
January 1, 1601
December 31, 1840
November 17, 1858
December 30, 1899
December 31, 1899
January 1, 1900
January 1, 1904
Decem...