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When should I use the “strictfp” keyword in java?
...rict expressions must be
those predicted by IEEE 754 arithmetic
on operands represented using single
and double formats. Within an
expression that is not FP-strict, some
leeway is granted for an
implementation to use an extended
exponent range to represent
intermediate results; the n...
How to manually send HTTP POST requests from Firefox or Chrome browser?
... documenting our own API here.
Postman now also has native apps (i.e. standalone) for Windows, Mac and Linux! It is more preferable now to use native apps, read more here.
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Go Error Handling Techniques [closed]
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Your code is idiomatic and in my opinion it is the best practice available. Some would disagree for sure, but I would argue that this is the style seen all over the standard libraries in Golang. In other words, Go authors write error handling in th...
Naming convention for utility classes in Java
..., as that you use it consistently. Like, if you have three utility classes and you call them CustomerUtil, ProductUtils, and StoreUtility, other people trying to use your classes are going to constantly get confused and type CustomerUtils by mistake, have to look it up, curse you a few times, etc. (...
Why historically do people use 255 not 256 for database field magnitudes?
...ric reason why? I assume it's something to do with paging / memory limits, and performance but the distinction between 255 and 256 has always confused me.
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Random Number Between 2 Double Numbers
Is it possible to generate a random number between 2 doubles?
12 Answers
12
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Getting activity from context in android
...ve a Context in the layout, but you will know it is actually your Activity and you can cast it so that you have what you need:
Activity activity = (Activity) context;
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Revert to Eclipse default settings
...nces>Java>Editor. Click on Syntax Coloring. Click "Restore Defaults" and "Apply". Then, navigate to General>Editors. Click on Text Editors. Click on "Restore Defaults" and "Apply".
I had the same issue and the above steps cleared up my problem. Also, the Show line numbers check box is on t...
What is null in Java?
...ceof operator is true if the value of the RelationalExpression is not null and the reference could be cast to the ReferenceType without raising a ClassCastException. Otherwise the result is false.
This means that for any type E and R, for any E o, where o == null, o instanceof R is always false.
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Is this a “good enough” random algorithm; why isn't it used if it's faster?
I made a class called QuickRandom , and its job is to produce random numbers quickly. It's really simple: just take the old value, multiply by a double , and take the decimal part.
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