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BigDecimal - to use new or valueOf
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@ryvantage: Compare the results of new BigDecimal(1.0/30.0); and BigDecimal.valueOf(1.0/30.0). See which result is actually closer to the numerical fraction 1/30.
– supercat
Apr 4 '14 at 20:52
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Reading a binary file with python
...e)
print(result)
Which produces an output like this:
{
'group_ids': [(1.0,), (0.0,), (2.0,), (0.0,), (1.0,)],
'__skipped': [b'\x00\x00\x00\x08', b'\x00\x00\x00\x08\x00\x00\x00\x14', b'\x00\x00\x00\x14'],
'num_particles': 5,
'num_groups': 3
}
I used skip() to skip the additional dat...
What causes imported Maven project in Eclipse to use Java 1.5 instead of Java 1.6 by default and how
... Plugin
Following are the details:
Plain pom.xml
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
...
Determining 32 vs 64 bit in C++
..., but was curious to know if people could think of cases where this might fail or if there is a better way to do this. Please note we are trying to do this in a cross-platform, multiple compiler environment.
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How to use ScrollView in Android?
...at view expand to fill any extra space.
Here is the XML
<?xml version="1.0" encoding="utf-8"?>
<ScrollView
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fillViewport="true"> ...
List comprehension on a nested list?
...: print(float(f))
...:
1.0
In [3]: [float(f)
for a in l
...: for b in a
...: for c in b
...: for d in c
...: for e in d
...: for f in e]
Out[3]: [1.0]
For your c...
Android - Dynamically Add Views into View
...ut etc. inside. My example:
res/layout/my_view.xml
<?xml version="1.0" encoding="utf-8"?>
<TextView xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/i_am_id"
android:text="my name"
android:textSize="17sp"
android:layout_width="match_parent"
...
Duplicate ID, tag null, or parent id with another fragment for com.google.android.gms.maps.MapFragme
... with R.id.mapFragment (android:id="@+id/mapFragment"):
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/mapLayout"
android:layout_width="match_parent"
android:layout_height="match_parent" >
...
Where can I learn how to write C code to speed up slow R functions? [closed]
...e static function:
Rcpp::NumericVector x = Rcpp::NumericVector::create( 1.0, 2.0, 3.0 ) ;
Rcpp::NumericVector x = Rcpp::NumericVector::create(
_["a"] = 1.0,
_["b"] = 2.0,
_["c"] = 3
) ;
Of a given size:
Rcpp::NumericVector x( 10 ) ; // filled with 0.0
Rcpp::NumericVect...
npm install vs. update - what's the difference?
...d in package.json:
{
"name": "my-project",
"version": "1.0", // install update
"dependencies": { // ------------------
"already-installed-versionless-module": "*", // ignores "1.0" -> "1.1"
"alrea...