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What is the difference between float and double?
...g point types: float, double, and long double. The type double provides at least as much precision as float, and the type long double provides at least as much precision as double. The set of values of the type float is a subset of the set of values of the type double; the set of values of the type ...
IntelliJ and Tomcat…changed files are not automatically recognized by Tomcat
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In step 7, you will not (at least in Intellij 14) get the appropriate dropdown-choices unless you have all your artifacts loaded as "exploded".
– mortensi
Aug 14 '15 at 12:34
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Why is Thread.Sleep so harmful
...ason to use it.
Thread.Sleep(n) means block the current thread for at least the number
of timeslices (or thread quantums) that can occur within n
milliseconds.
The length of a timeslice is different on different versions/types of
Windows and different processors and generally ranges fro...
How do you match only valid roman numerals with a regular expression?
...ches all the Roman numerals. Doesn't care about empty strings (requires at least one Roman numeral letter). Should work in PCRE, Perl, Python and Ruby.
Online Ruby demo: http://rubular.com/r/KLPR1zq3Hj
Online Conversion: http://www.onlineconversion.com/roman_numerals_advanced.htm
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How to change Git log date formats
...If you take a look at the commit linked to below, I believe you'll need at least Git v2.6.0-rc0 for this to work.
In a full command it would be something like:
git config --global alias.lg "log --graph --decorate
-30 --all --date-order --date=format:'%Y-%m-%d %H:%M:%S'
--pretty=format:'%C(cyan)%h%...
Ember.js or Backbone.js for Restful backend [closed]
...lect these uses: Ember.js apps include Square's web dashboard, Zendesk (at least the agent/ticketing interface), and Groupon's scheduler: all applications a user might spend all day working in.
Backbone apps focus more on brief or casual interactions, that are often just small sections of a larger...
What's the best way to join on the same table twice?
...n the SomeOtherFields would be null. If you want to make sure you have at least one matching phone number you could then do WHERE t2.PhoneNumber IS NOT NULL OR t3.PhoneNumber IS NOT NULL
The second method could have a problem: what happens if Table2 has both PhoneNumber1 and PhoneNumber2? Which r...
Parsing JSON from XmlHttpRequest.responseJSON
...eval anything you get from an outside source. Instead, use JSON.parse (at least in FF 3.5 and later).
– Ben Combee
Dec 29 '09 at 6:25
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How to generate JAXB classes from XSD?
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For Eclipse STS (3.5 at least) you don't need to install anything. Right click on schema.xsd -> Generate -> JAXB Classes. You'll have to specify the package & location in the next step and that's all, your classes should be generated. I gu...
Why can't I use the 'await' operator within the body of a lock statement?
...it, and reacquire it when the await returns
This violates the principle of least astonishment IMO, where the asynchronous method should behave as closely as possible like the equivalent synchronous code - unless you use Monitor.Wait in a lock block, you expect to own the lock for the duration of the...