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curl -GET and -X GET
Curl offers a series of different http method calls that are prefixed with a X, but also offers the same methods without. I've tried both and I can't seem to figure out the difference. Can someone explain to me quickly how these two operations differ?
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querySelector, wildcard element match?
Is there a way to do a wildcard element name match using querySelector or querySelectorAll ? I see support for wildcards in attribute queries but not for the elements themselves.
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ERROR: permission denied for sequence cities_id_seq using Postgres
...t postgres (and at database info systems all in all). I ran following sql script on my database:
4 Answers
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Is 0 a decimal literal or an octal literal?
Zero is always zero, so it doesn't matter. But in a recent discussion with a friend he said that octal literals are almost unused today. † Then it dawned upon me that actually almost all integer literals in my code are octal, namely 0 .
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find -exec cmd {} + vs | xargs
Which one is more efficient over a very large set of files and should be used?
3 Answers
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内存调试技巧：C 语言最大难点揭秘 - C/C++ - 清泛网 - 专注C/C++及内核技术
内存调试技巧：C 语言最大难点揭秘au-memorytechniques本文将带您了解一些良好的和内存相关的编码实践，以将内存错误保持在控制范围内。内存错误是 C 和 C++ 编程的祸根：它们很普遍，认识其严重性已有二十多年，但始终没有彻...
Putting text in top left corner of matplotlib plot
How can I put text in the top left (or top right) corner of a matplotlib figure, e.g. where a top left legend would be, or on top of the plot but in the top left corner? E.g. if it's a plt.scatter(), then something that would be within the square of the scatter, put in the top left most corner.
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Why would one declare a Java interface method as abstract?
I used the "pull interface" refactoring feature of Eclipse today to create an interface based on an existing class. The dialog box offered to create all the new methods of the new interface as "abstract" methods.
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