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Eclipse debugger always blocks on ThreadPoolExecutor without any obvious exception, why?
I'm working on my usual projects on Eclipse, it's a J2EE application, made with Spring, Hibernate and so on. I'm using Tomcat 7 for this (no particular reason, I don't exploit any new feature, I just wanted to try that). Every time I debug my application, it happens that Eclipse debugger pops out li...
BigDecimal - to use new or valueOf
I came across two ways of getting BigDecimal object out of a double d.
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What is the effect of encoding an image in base64?
...ng) to base64, then will it be bigger, or will it have the same size? How much greater will it be?
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Angularjs $q.all
I have implemented the $q.all in angularjs, but I can not make the code work. Here is my code :
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What are the relationships between Any, AnyVal, AnyRef, Object and how do they map when used in Java
I usually end up trying every combination until it compiles. Can somebody explain what I should use where?
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Inserting a Link to a Webpage in an IPython Notebook
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For visual learners.
[blue_text](url_here)
Thanks dbliss.
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How do I change the formatting of numbers on an axis with ggplot?
I'm using R and ggplot to draw a scatterplot of some data, all is fine except that the numbers on the y-axis are coming out with computer style exponent formatting, i.e. 4e+05, 5e+05, etc. This is obviously unacceptable, so I want to get it to display them as 500,000, 400,000, and so on. Getting a p...
How does grep run so fast?
I am really amazed by the functionality of GREP in shell, earlier I used to use substring method in java but now I use GREP for it and it executes in a matter of seconds, it is blazingly faster than java code that I used to write.(according to my experience I might be wrong though)
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“x not in y” or “not x in y”
When testing for membership, we can use:
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Why doesn't Dijkstra's algorithm work for negative weight edges?
Can somebody tell me why Dijkstra's algorithm for single source shortest path assumes that the edges must be non-negative.
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