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In Java, what is the best way to determine the size of an object?
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26 Answers
26
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What is the Bash equivalent of Python's pass statement
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2 Answers
2
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Regular expression to extract text between square brackets
...nicer.
– Ipsquiggle
Mar 8 '10 at 17:24
198
How to exclude [ ] from output(result)?
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Java regular expression OR operator
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You can just use the pipe on its own:
"string1|string2"
for example:
String s = "string1, string2, string3";
System.out.println(s.replaceAll("string1|string2", "blah"));
Output:
blah, blah, string3
The main reason to use parentheses is to limit the scope of the alternat...
Is there a difference between `continue` and `pass` in a for loop in python?
... would be executed. After continue, it wouldn't.
>>> a = [0, 1, 2]
>>> for element in a:
... if not element:
... pass
... print element
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0
1
2
>>> for element in a:
... if not element:
... continue
... print element
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1
2
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select and update database record with a single queryset
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275
Use the queryset object update method:
MyModel.objects.filter(pk=some_value).update(field1='so...
【教学】AppInventor2人工智能应用：Personal Image Classifier (PIC) Tool...
繁体中文原文：https://blog.cavedu.com/2019/08/27/app-inventor-image-classifier/
[color=var(--fs-experimental-link-color)][color=var(--fs-color-primary)]27
[size=0.8em]8 月
MIT App Inventor 團隊蠻早就發佈了 [color=var(--fs-experimental-link-color)]look extension，概念上...
What's better at freeing memory with PHP: unset() or $var = null
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239
It was mentioned in the unset manual's page in 2009:
unset() does just what its name says - u...
JavaScript string encryption and decryption?
... var encrypted = CryptoJS.AES.encrypt("Message", "Secret Passphrase");
//U2FsdGVkX18ZUVvShFSES21qHsQEqZXMxQ9zgHy+bu0=
var decrypted = CryptoJS.AES.decrypt(encrypted, "Secret Passphrase");
//4d657373616765
document.getElementById("demo1").innerHTML = encrypted;
document.getElementById("dem...