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How to check whether a string is Base64 encoded or not

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Resize UIImage by keeping Aspect ratio and width

... 230 The method of Srikar works very well, if you know both height and width of your new Size. If you...
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What is this operator in MySQL?

...e the regular = operator, two values are compared and the result is either 0 (not equal) or 1 (equal); in other words: 'a' <=> 'b' yields 0 and 'a' <=> 'a' yields 1. Unlike the regular = operator, values of NULL don't have a special meaning and so it never yields NULL as a possible outco...
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Renaming columns in pandas

...he .columns attribute: >>> df = pd.DataFrame({'$a':[1,2], '$b': [10,20]}) >>> df.columns = ['a', 'b'] >>> df a b 0 1 10 1 2 20 share | improve this answer ...
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YouTube Video Embedded via iframe Ignoring z-index?

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Ruby Bundle Symbol not found: _SSLv2_client_method (LoadError)

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How to fix Array indexOf() in JavaScript for Internet Explorer browsers

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How to completely remove borders from HTML table

... <table cellspacing="0" cellpadding="0"> And in css: table {border: none;} EDIT: As iGEL noted, this solution is officially deprecated (still works though), so if you are starting from scratch, you should go with the jnpcl's border-colla...
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Detect if stdin is a terminal or pipe?

... 140 Use isatty: #include <stdio.h> #include <io.h> ... if (isatty(fileno(stdin))) ...
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Combining two Series into a DataFrame in pandas

... In [4]: pd.concat([s1, s2], axis=1).reset_index() Out[4]: index s1 s2 0 A 1 3 1 B 2 4 Note: This extends to more than 2 Series. share | improve this answer | ...