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Why static classes cant implement interfaces? [duplicate]
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Interfaces can't have static methods. A class that implements an interface needs to implement them all as instance methods. Static classes can't have instance methods. QED.
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How do I put a variable inside a string?
I would like to put an int into a string . This is what I am doing at the moment:
8 Answers
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Using HTML5/Canvas/JavaScript to take in-browser screenshots
...representation of that using canvas. I have been working on a script which converts HTML into a canvas image. Decided today to make an implementation of it into sending feedbacks like you described.
The script allows you to create feedback forms which include a screenshot, created on the client's b...
Local Storage vs Cookies
... 6. localStorage can only store strings, primitives and objects must be converted to strings before storage, 7. sessionStorage is also available and is identical to localStorage except it does not persist
– Robbie Milejczak
Feb 17 at 14:52
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Numpy array dimensions
...mally defined as the minimum number of coordinates needed to specify any point within a space. But in Numpy, according to the numpy doc, it's the same as axis/axes:
In Numpy dimensions are called axes. The number of axes is rank.
In [3]: a.ndim # num of dimensions/axes, *Mathematics definitio...
How to set a Fragment tag by code?
...ion of the compatibility sources as I briefly looked for similar at some point in the past.
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Random hash in Python
...f you want a random one:
import random
hash = random.getrandbits(128)
print("hash value: %032x" % hash)
I don't really see the point, though. Maybe you should elaborate why you need this...
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How to make a query with group_concat in sql server [duplicate]
... of for xml select is an XML text/object), so, for example, < will turn into &gt;. Whereas your answer will return the string verbatim, because value() processes the XML object and extracts the text contents from there.
– pvgoran
Sep 5 '16 at 14:18
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Awk学习笔记 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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打印全部awk选项和每个选项的简短说明。
-W lint or --lint
打印不能向传统unix平台移植的结构的警告。
-W lint-old or --lint-old
打印关于不能向传统unix平台移植的结构的警告。
-W posix
打开兼容模...
Getting the filenames of all files in a folder [duplicate]
...er = new File("your/path");
File[] listOfFiles = folder.listFiles();
for (int i = 0; i < listOfFiles.length; i++) {
if (listOfFiles[i].isFile()) {
System.out.println("File " + listOfFiles[i].getName());
} else if (listOfFiles[i].isDirectory()) {
System.out.println("Directory " + list...