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Moving decimal places over in a double
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which prints:
12.34
This works because Double.toString(d) performs a small amount of rounding on your behalf, but it is not much. If you are wondering what it might look like without rounding:
System.out.println(new BigDecimal(0.1));
System.out.println(new BigDecimal(x));
prints:
0.100000000...
In Ruby on Rails, how do I format a date with the “th” suffix, as in, “Sun Oct 5th”?
I want to display dates in the format: short day of week, short month, day of month without leading zero but including "th", "st", "nd", or "rd" suffix.
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How to find duplicates in 2 columns not 1
I have a MySQL database table with two columns that interest me. Individually they can each have duplicates, but they should never have a duplicate of BOTH of them having the same value.
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Change / Add syntax highlighting for a language in Sublime 2/3
...ince Sublime Text 3 is using the .sublime-package zip file format to store all the default settings it's not very straightforward to edit the individual files.
Unfortunately, not all themes contain all scopes, so you'll need to play around with different ones to find one that looks good, and gives ...
Exception thrown inside catch block - will it be caught again?
...compile, to avoid that kind of erroneous situation. In general, you're not allowed to have a catch for a subclass after a catch of its superclass in the same try block.
– Chris Jester-Young
Aug 22 '16 at 23:32
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How to run multiple shells on Emacs
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@phils thanks for the tip, i'm not at all familiar with lisp so will rework it using local assignment.:-)
– bjsdaiyu
May 29 '13 at 19:36
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How to scroll HTML page to given anchor?
...scrollTo(hash) {
location.hash = "#" + hash;
}
No jQuery required at all!
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Change app language programmatically in Android
Is it possible to change the language of an app programmatically while still using Android resources?
35 Answers
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Determine file creation date in Java
...low ( How to get creation date of a file in Java ), but the answer isn't really there as the OP had a different need that could be solved via other mechanisms. I am trying to create a list of the files in a directory that can be sorted by age, hence the need for the file creation date.
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Exposing database IDs - security risk?
... extremely burdensome to design a web application without exposing them at all. Thus, it's important to understand the risks and take care to address them.
The first danger is what OWASP called "insecure direct object references." If someone discovers the id of an entity, and your application lacks ...