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Best way to merge two maps and sum the values of same key?
... Seems something changed in 2.11 version. Check out 2.10 scaladoc - scala-lang.org/api/2.10.1/… There is a usual function. But in 2.11 it's MergeFunction.
– Mikhail Golubtsov
Jul 8 '15 at 6:26
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How to avoid installing “Unlimited Strength” JCE policy files when deploying an application?
...tricted");
field.setAccessible(true);
field.set(null, java.lang.Boolean.FALSE);
} catch (Exception ex) {
}
}
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uint8_t vs unsigned char
...ause someone mentioned one (and linked to developer docs for it) in a comp.lang.c++.moderated discussion on whether C/C++ type guarantees are too weak, but I cannot find that thread anymore, and it's always handy to reference that in any similar discussions :)
– Pavel Minaev
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When is the finalize() method called in Java?
...rowable {}
every class inherits the finalize() method from
java.lang.Object
the method is called by the garbage collector when it determines
no more references to the object
exist
the Object finalize method performs no actions but it may be overridden by
any class
normally it ...
Running bash script from within python
...ered Nov 8 '16 at 16:04
Matthew LangMatthew Lang
6522 bronze badges
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How to find the installed pandas version
...5-generic
machine: x86_64
processor: x86_64
byteorder: little
LC_ALL: None
LANG: en_US.UTF-8
pandas: 0.15.2-113-g5531341
nose: 1.3.1
Cython: 0.21.1
numpy: 1.8.2
scipy: 0.14.0.dev-371b4ff
statsmodels: 0.6.0.dev-a738b4f
IPython: 2.0.0-dev
sphinx: 1.2.2
patsy: 0.3.0
dateutil: 1.5
pytz: 2012c
bottlenec...
Java: splitting a comma-separated string but ignoring commas in quotes
... param: line.split(regex, -1). See: docs.oracle.com/javase/6/docs/api/java/lang/…
– Bart Kiers
Apr 23 '14 at 14:55
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Force point (“.”) as decimal separator in java
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You can pass an additional Locale to java.lang.String.format as well as to java.io.PrintStream.printf (e.g. System.out.printf()):
import java.util.Locale;
public class PrintfLocales {
public static void main(String args[]) {
System.out.printf("%.2f: De...
How to create a new language for use in Visual Studio
I want to write a new templating language, and I want Visual Studio to "support" it. What I need to know is:
7 Answers
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How to calculate date difference in JavaScript?
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<html lang="en">
<head>
<script>
function getDateDiff(time1, time2) {
var str1= time1.split('/');
var str2= time2.split('/');
// yyyy , mm , dd
var t1 = new Date(str1[2], str1[0]-1, st...