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Measure execution time for a Java method [duplicate]
... prints PT1M3.553S
Guava Stopwatch:
Stopwatch stopwatch = Stopwatch.createStarted();
myCall();
stopwatch.stop(); // optional
System.out.println("Time elapsed: "+ stopwatch.elapsed(TimeUnit.MILLISECONDS));
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Encoding as Base64 in Java
...ss.
Here's some example code:
byte[] encodedBytes = Base64.encodeBase64("Test".getBytes());
System.out.println("encodedBytes " + new String(encodedBytes));
byte[] decodedBytes = Base64.decodeBase64(encodedBytes);
System.out.println("decodedBytes " + new String(decodedBytes));
Then read why you s...
req.body empty on posts
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With Postman, to test HTTP post actions with a raw JSON data payload, select the raw option and set the following header parameters:
Content-Type: application/json
Also, be sure to wrap any strings used as keys/values in your JSON payload ...
Difference between objectForKey and valueForKey?
...ver be faster than objectForKey: (on the same input key) although thorough testing I've done imply about 5% to 15% difference, over billions of random access to a huge NSDictionary. In normal situations - the difference is negligible.
Next: KVC protocol only works with NSString * keys, hence valueF...
No Activity found to handle Intent : android.intent.action.VIEW
...t exceptions will arise, and why? This is a sign of code that has not been tested thoroughly.
– jbass
Feb 8 '17 at 22:58
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How to access a mobile's camera from a web app?
... (front) camera. To access video, substitute "video" for "image" in name.
Tested on iPhone 5c, running iOS 10.3.3, firmware 760, works fine.
https://www.w3.org/TR/html-media-capture/
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impro...
Run JavaScript code on window close or page refresh?
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Not tested, but I think return false; does the same (i.e. prevents the default behavior) and it is more semantically correct.
– collimarco
Sep 24 '13 at 15:12
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Using node.js as a simple web server
...resh whenever you edit and save the HTML file. This especially useful when testing adaptive web sites. Open your HTML page on multiple browsers/window sizes/devices. Save your HTML page and instantly see if your adaptive stuff is working as they all auto refresh.
PhoneGap Developers
If you're codi...
Is there a way to crack the password on an Excel VBA Project?
...ire HEX editing. It will work for any files (*.xls, *.xlsm, *.xlam ...).
Tested and works on:
Excel 2007
Excel 2010
Excel 2013 - 32 bit version
Excel 2016 - 32 bit version
Looking for 64 bit version? See this answer
How it works
I will try my best to explain how it works - p...
How to delete a whole folder and content?
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I've done no tests for efficiency, but I believe mine is more robust. chirag's will work for the specific case of the DCIM folder, where folders within DCIM should contain only files (i.e. folders within DCIM don't normally contain any su...