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What's the difference between a single precision and double precision floating point operation?
..., cache, and bandwidth, thereby reducing the overall system performance.
From Webopedia:
The term double precision is something of a misnomer because the precision is not really double.
The word double derives from the fact that a double-precision number uses twice as many bits as a regular ...
Difference between abstraction and encapsulation?
.... The only thing that has to change is the compare function, which differs from data type to data type. qsort therefore expects the user to provide said compare function as a function argument.
Encapsulation and abstraction go hand in hand so much so that you could make the point that they are tru...
Should flux stores, or actions (or both) touch external services?
... former approach), I believe that stores should be dumb recipients of data from the actions, and that asynchronous processing of writes should live in the action creators. (Async reads can be handled differently.) In my experience, this has a few benefits, in order of importance:
Your stores becom...
How to avoid passing parameters everywhere in play2?
...t using the Http.Context.args map to store useful values and retrieve them from the templates without having to explicitly pass as templates parameters.
Using implicit parameters
Place the menus parameter at the end of your main.scala.html template parameters and mark it as “implicit”:
@(titl...
Pandas: drop a level from a multi-level column index?
...
You can use MultiIndex.droplevel:
>>> cols = pd.MultiIndex.from_tuples([("a", "b"), ("a", "c")])
>>> df = pd.DataFrame([[1,2], [3,4]], columns=cols)
>>> df
a
b c
0 1 2
1 3 4
[2 rows x 2 columns]
>>> df.columns = df.columns.droplevel()
>>...
How do I convert from int to Long in Java?
I keep finding both on here and Google people having troubles going from long to int and not the other way around. Yet I'm sure I'm not the only one that has run into this scenario before going from int to Long .
...
Difference between Property and Field in C# 3.0+
...en a Field and a Property in C#? but my question has a slight difference (from my point of view):
10 Answers
...
Accept server's self-signed ssl certificate in Java client
... truststore or configure your client to
Option 1
Export the certificate from your browser and import it in your JVM truststore (to establish a chain of trust):
<JAVA_HOME>\bin\keytool -import -v -trustcacerts
-alias server-alias -file server.cer
-keystore cacerts.jks -keypass changeit
-sto...
Formatting floats without trailing zeros
...is:
'%g'%(3.140)
or, for Python 2.6 or better:
'{0:g}'.format(3.140)
From the docs for format: g causes (among other things)
insignificant trailing zeros [to be]
removed from the significand, and the
decimal point is also removed if there
are no remaining digits following it.
...
What is the use of a private static variable in Java?
...f a variable is declared as public static varName; , then I can access it from anywhere as ClassName.varName . I am also aware that static members are shared by all instances of a class and are not reallocated in each instance.
...