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error opening HPROF file: IOException: Unknown HPROF Version
...am getting the following exception when trying to open HPROF file (created by Debug.dumpHprofData ) with Memory Analyzer:
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Numpy array assignment with copy
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What is meant by but B = A[:] would do something more like 1 ? According to this stackoverflow.com/a/2612815 new_list = old_list[:] is also a copy.
– mrgloom
May 23 '18 at 12:13
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Adding an onclick function to go to url in JavaScript?
...a href="https://yahoo.com" onclick="this.href='https://google.com';">
By using this you're interrupting the current browser onclick event and changing href before continuing to default behaviour of <a href='...
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Array initializing in Scala
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To initialize an array filled with zeros, you can use:
> Array.fill[Byte](5)(0)
Array(0, 0, 0, 0, 0)
This is equivalent to Java's new byte[5].
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Search for “does-not-contain” on a DataFrame in pandas
I've done some searching and can't figure out how to filter a dataframe by df["col"].str.contains(word) , however I'm wondering if there is a way to do the reverse: filter a dataframe by that set's compliment. eg: to the effect of !(df["col"].str.contains(word)) .
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How do I get the name of captured groups in a C# Regex?
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The cleanest way to do this is by using this extension method:
public static class MyExtensionMethods
{
public static Dictionary<string, string> MatchNamedCaptures(this Regex regex, string input)
{
var namedCaptureDictionary = new Di...
Is Hash Rocket deprecated?
... Rocket syntax ( :foo => "bar" ) is deprecated in favor of the new-to-Ruby JSON-style hash ( foo: "bar" ), but I can't find any definitive reference stating the Hash Rocket form is actually deprecated/unadvised as of Ruby 1.9.
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Is it possible to have empty RequestParam values use the defaultValue?
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You can keep primitive type by setting default value, in the your case just add "required = false" property:
@RequestParam(value = "i", required = false, defaultValue = "10") int i
P.S.
This page from Spring documentation might be useful:
Annotation ...
How to call function from another file in go language?
...nks . Also you should upper case Demo() , public functions are upper cased by convention
– Raymond Chenon
Jan 18 '15 at 10:36
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Is == in PHP a case-sensitive string comparison?
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Yes, but it does a comparison byte-by-byte.
If you're comparing unicode strings, you may wish to normalize them first. See the Normalizer class.
Example (output in UTF-8):
$s1 = mb_convert_encoding("\x00\xe9", "UTF-8", "UTF-16BE");
$s2 = mb_convert_enc...