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enum.values() - is an order of returned enums deterministic
...he Java language specification uses this explicit language:
@return an array containing the constants of this enum type, in the order they're declared [Source]
So, yes, they will be returned in declaration order. It's worth noting that the order might change over time if someone changes the cl...
Extract elements of list at odd positions
... notice what you have changed. Indeed, there is a link, but it leads to Numarray project, not to Python's list slicing. It differs a little, especially because the list's slice does not keep reference to the original list (in Numarray you need to explicitly call .copy() to have something not referen...
Difference between reduce and foldLeft/fold in functional programming (particularly Scala and Scala
..., 4).sortBy(identity[String])
require(rdd.collect.sliding(2).forall { case Array(x, y) => x < y })
/* Note: all posible permutations */
require(Seq.fill(1000)(rdd.fold("")(_ + _)).toSet.size == 24)
Explained:
Structure of fold for RDD
def fold(zeroValue: T)(op: (T, T) => T): T = withSc...
How to make rounded percentages add up to 100%
... @Cruclax it shows all 1 when all entries are zero in the input array
– tony.0919
Nov 3 '16 at 7:55
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show 3 more comments
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What is the difference between JavaConverters and JavaConversions in Scala?
...ds from JavaConversions directly; e.g.:
List<String> javaList = new ArrayList<String>(Arrays.asList("a", "b", "c"));
System.out.println(javaList); // [a, b, c]
Buffer<String> scalaBuffer = JavaConversions.asScalaBuffer(javaList);
System.out.println(scalaBuffer); // Buffer(a, b, c)...
pandas: How do I split text in a column into multiple rows?
... this alternative:
time python -c "import pandas as pd;
from scipy import array, concatenate;
df = pd.DataFrame(['a b c']*100000, columns=['col']);
print pd.DataFrame(concatenate(df['col'].apply( lambda x : [x.split(' ')]))).head()"
... and this:
time python -c "import pandas as pd;
df = pd.Data...
How to print binary tree diagram?
...ay. I think that a lot of things can be improved here ;)
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
public class BTreePrinterTest {
private static Node<Integer> test1() {
Node<Integer> root = new Node<Integer>(2);
Node<...
How do I install Python OpenCV through Conda?
...opened, I wanted to confirm that I could extract a frame (frame 100) as an array. In openCV 2.4.9, the command for this was cap.set(cv2.cv.CV_CAP_PROP_POS_FRAMES, 100). In openCV 3.2.0, the equivalent command has changed to cap.set(cv2.CAP_PROP_POS_FRAMES, 100)
– ollerend
...
App Inventor 2 UrsPahoMqttClient 拓展 - 物联网轻量级MQTT协议 · App Inventor 2 中文网
... 二进制数据
二进制数据（字节数组）
PublishByteArray
SubscribeByteArray
PublishedByteArrayReceived
其他方法
IsNull
ToDictionary / FromDictionary
错误处理
MQTT服务质量（QoS）：3个等级
保留消息（Reta...
Reference: mod_rewrite, URL rewriting and “pretty links” explained
...t frequently used paths first is okay.
Alternatively you can utilize PHPs array parameters via ?p[]=$1&p[]=$2&p[]=3 query string here - if your script merely prefers them pre-split.
(Though it's more common to just use a catch-all rule, and let the script itself expand the segments out of t...