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Measure execution time for a Java method [duplicate]
...tem.out.println(stopTime - startTime);
In Java 8 (output format is ISO-8601):
Instant start = Instant.now();
Thread.sleep(63553);
Instant end = Instant.now();
System.out.println(Duration.between(start, end)); // prints PT1M3.553S
Guava Stopwatch:
Stopwatch stopwatch = Stopwatch.createStarted(...
Array Length in Java
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It contains the allocated size, 10. The unassigned indexes will contain the default value which is 0 for int.
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Occurrences of substring in a string
...r = "helloslkhellodjladfjhello";
String findStr = "hello";
int lastIndex = 0;
int count = 0;
while(lastIndex != -1){
lastIndex = str.indexOf(findStr,lastIndex);
if(lastIndex != -1){
count ++;
lastIndex += findStr.length();
}
}
System.out.println(count);
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Fixed page header overlaps in-page anchors
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170
I had the same problem.
I solved it by adding a class to the anchor element with the topbar heig...
How do I adb pull ALL files of a folder present in SD Card
...e2.jpg
pull: /sdcard/Folder1/image3.jpg -> ./image3.jpg
3 files pulled. 0 files skipped.
Specific Files/Folders using find from BusyBox:
adb shell find "/sdcard/Folder1" -iname "*.jpg" | tr -d '\015' | while read line; do adb pull "$line"; done;
Here is an explanation:
adb shell find "/sdca...
No startswith,endswith functions in Go?
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edited Nov 6 '12 at 4:05
answered Nov 6 '12 at 3:49
Kyl...
What are the parameters sent to .fail in jQuery?
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answered Mar 14 '15 at 4:07
Olivier de RivoyreOlivier de Rivoyre
1,38011 gold badge1717 silver badges2424 bronze badges
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Rank function in MySQL
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270
One option is to use a ranking variable, such as the following:
SELECT first_name,
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SqlException from Entity Framework - New transaction is not allowed because there are other threads
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20 Answers
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What is the max size of localStorage values?
...ly as an improvement on cookies, providing much greater storage capacity (10 MB per origin in Google Chrome(https://plus.google.com/u/0/+FrancoisBeaufort/posts/S5Q9HqDB8bh), Mozilla Firefox, and Opera; 10 MB per storage area in Internet Explorer) and better programmatic interfaces.
And also quotin...