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Easy pretty printing of floats in python?
...ise numbers, but get rid of trailing zeros for example, use the formatting string %g:
np.set_printoptions(formatter={"float_kind": lambda x: "%g" % x})
For just printing once and not changing global behavior, use np.array2string with the same arguments as above.
...
Is there a built-in method to compare collections?
...ust specify a correct IComparer<T> for those keys. For example, with string keys (which exhibit this issue), you must do the following in order to get correct results:
dictionary1.OrderBy(kvp => kvp.Key, StringComparer.Ordinal).SequenceEqual(dictionary2.OrderBy(kvp => kvp.Key, StringCom...
How do I use a file grep comparison inside a bash if/else statement?
...t to use a more specific regex, such as ^MYSQL_ROLE=master$, to avoid that string in comments, names that merely start with "master", etc.
This works because the if takes a command and runs it, and uses the return value of that command to decide how to proceed, with zero meaning true and non-zero m...
Using System.Dynamic in Roslyn
...sions, System.Private.CoreLib, System.Runtime and Microsoft.CSharp, all as strings
– Simon Mourier
Aug 22 '18 at 13:15
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Does Spring Data JPA have any way to count entites using method name resolving?
...ository extends CrudRepository<User, Integer> {
Long countByName(String name);
}
2) The old way, Using @Query annotation.
Example,
public interface UserRepository extends CrudRepository<User, Integer> {
@Query("SELECT COUNT(u) FROM User u WHERE u.name=?1")
Long aMethodNa...
What are invalid characters in XML
I am working with some XML that holds strings like:
15 Answers
15
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使用虚拟现实和App Inventor进行实验 · App Inventor 2 中文网
... new ImageLoaderTask();
imageLoaderTask.execute(Pair.create(uri.toString(), options));
class ImageLoaderTask
extends AsyncTask
{
@Override
protected Boolean doInBackground(Pair... pair) {
try (InputStream is = new FileInputStream(new File(pair[...
invalid multibyte char (US-ASCII) with Rails and Ruby 1.9
...ncoding, unless you say otherwise. If you place any non-ASCII content in a String literal without changing the source Encoding, Ruby will die with that error. Thanks guys, I finally got it :-)
– bass-t
Aug 13 '12 at 9:58
...
Non-static variable cannot be referenced from a static context
...In your case, try this code as a starting block:
public static void main (String[] args)
{
try
{
MyProgram7 obj = new MyProgram7 ();
obj.run (args);
}
catch (Exception e)
{
e.printStackTrace ();
}
}
// instance variables here
public void run (String...
What is SuppressWarnings (“unchecked”) in Java?
... onto the class itself or onto a long method). An example:
public List<String> getALegacyListReversed() {
@SuppressWarnings("unchecked") List<String> list =
(List<String>)legacyLibrary.getStringList();
Collections.reverse(list);
return list;
}
...