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How to “properly” create a custom object in JavaScript?
...elcome to the wonderful world of JavaScript objects.
[This has been part 94 of Why JavaScript Is Not My Favourite Programming Language.]
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How can I extract the folder path from file path in Python?
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145
You were almost there with your use of the split function. You just needed to join the strings,...
Convert an image (selected by path) to base64 string
How do you convert an image from a path on the user's computer to a base64 string in C#?
12 Answers
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How to make the 'cut' command treat same sequental delimiters as one?
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Try:
tr -s ' ' <text.txt | cut -d ' ' -f4
From the tr man page:
-s, --squeeze-repeats replace each input sequence of a repeated character
that is listed in SET1 with a single occurrence
of that character
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Cleanest way to get last item from Python iterator
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14 Answers
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BLE协议—广播和扫描 - 创客硬件开发 - 清泛IT社区，为创新赋能！
...信道上传输，即除37/38/39之外的其余37信道（BLE总共占用40个信道）。每建立一次连接，重新生成一次Access address。数据包是给连接通信使用的，即用于master和slave之间通信的。广播类型目前BLE广播报文有7种类型，其中关于连接的...
How can I hash a password in Java?
...DF2WithHmacSHA1");
byte[] hash = f.generateSecret(spec).getEncoded();
Base64.Encoder enc = Base64.getEncoder();
System.out.printf("salt: %s%n", enc.encodeToString(salt));
System.out.printf("hash: %s%n", enc.encodeToString(hash));
Here's a utility class that you can use for PBKDF2 password authenti...
How to use Single TextWatcher for multiple EditTexts?
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Siddhivinayak
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answered May 30 '11 at 3:25
Sky KelseySky Kelsey
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How to reshape data from long to wide format
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answered May 4 '11 at 23:20
ChaseChase
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How do I uniquely identify computers visiting my web site?
...average browser carrying at least
18.8 bits of identifying information. 94.2% of browsers with Flash or Java
were unique in our sample.
By observing returning visitors, we estimate how rapidly browser fingerprints might change over time. In our sample, fingerprints changed quite
rapidly, ...