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How do I check if a given string is a legal/valid file name under Windows?
...\?\ prefix)
Unicode file paths (including the file name) with more than 32,000 characters when using \?\ (note that prefix may expand directory components and cause it to overflow the 32,000 limit)
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How to extend an existing JavaScript array with another array, without creating a new array
...a stack overflow error if array b is too long (trouble starts at about 100,000 elements, depending on the browser).
If you cannot guarantee that b is short enough, you should use a standard loop-based technique described in the other answer.
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Java LinkedHashMap get first or last entry
...ithArrayListMethod : " + "took " + new BigDecimal((endTime - startTime) / 1000000.000).setScale(3, RoundingMode.CEILING) + " milliseconds");
startTime = System.nanoTime();
FindLasstEntryWithArrayMethod();
endTime = System.nanoTime();
System.out.println("FindLasstEn...
How to remove illegal characters from path and filenames?
... I tested five methods from this question (timed loop of 100,000) and this method is the fastest one. The regular expression took 2nd place, and was 25% slower than this method.
– Brain2000
Jul 15 '16 at 15:19
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How to maintain aspect ratio using HTML IMG tag
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<img src="Runtime Path to photo"
style="border: 1px solid #000; max-width:64px; max-height:64px;">
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Sublime - delete all lines containing specific value
... My machine got stuck for several minutes when I did Ctrl+Shift+K with 200,000 lines selected.
– Przemek D
Aug 28 '17 at 11:43
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Does Java 8 provide a good way to repeat a value or function?
...e inlined well.
Here's the code:
public static final int LIMIT = 500_000_000;
public static final long VALUE = 3L;
public long range() {
return
LongStream.range(0, LIMIT)
.parallel()
.map(i -> VALUE)
.map(i -> i...
String concatenation in Ruby
...overrides the first object with the new object.
require 'benchmark'
N = 1000
BASIC_LENGTH = 10
5.times do |factor|
length = BASIC_LENGTH * (10 ** factor)
puts "_" * 60 + "\nLENGTH: #{length}"
Benchmark.bm(10, '+= VS <<') do |x|
concat_report = x.report("+=") do
str1 = ""
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How to count the number of files in a directory using Python
...is much faster (about half the time with my testing on a directory with 10,000 files) if you know the pattern you're looking for, rather then testing each file with os.path.isfile() as the accepted answer does. Also significantly faster than glob.glob().
– CivFan
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Provide an image for WhatsApp link sharing
...ze limit info but it's not correct. The Whatsapp app fetches the first 300.000 bytes (Http header: "Range: bytes=0-299999")
– Adriano Tornatore
Oct 12 '16 at 17:28
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