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Nice explanation of Collections in Java
Here's a link to view it in more details …
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Plain and Simple about SQL types of joins
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Found a nice solution for monitoring selenium tests on headless linux machine
Hey guys, found today from one of my colleagues a good tip about how to debug selenium tests with gui on headless linux. Maybe someone wil find it also helpful. Here's the link…
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Comparison of python json libs in performance
I work a lot with json in python and never thought before about performance. I was using standard python json lib that goes right from the box, but today found out from one of my colleagues that there is way more faster lib called cjson. I got interested in this…
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Rotating a two-dimensional array in Python
I was solving one of the learning tasks on Python and had to rotate two dimensional array clockwise. In Java i would have to loop over array and pass values into newly created array, but in Python i could solve this with one line of code : template = zip(*template[::-1]…
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Getting HTTP traffic details from tcpdump
Yestarday i had one issue to verify where i had to make sure that our backend part is sending POST requests with id's to third party server. Server didn't have GUI , so i couldn't use Wireshark for that ( or could, but just don't know how:) ) and i googled for…