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How to define an empty object in PHP
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$o=(object)NULL; -- If an object is converted to an object, it is not modified. If a value of any other type is converted to an object, a new instance of the stdClass built-in class is created. If the value was NULL, the new instance will be empty. Arrays conve...
string.charAt(x) or string[x]?
...llo'.charAt(true) // 'e'
The charAt function depends on how the index is converted to a Number in the spec.
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Adding n hours to a date in Java?
... .plusHours( 8 )
Or…
myJavaUtilDate.toInstant() // Convert from legacy class to modern class, an `Instant`, a point on the timeline in UTC with resolution of nanoseconds.
.plus( // Do the math, adding a span of time to our moment, our `Insta...
How to calculate the angle between a line and the horizontal axis?
...tant to note that Math.sin and Math.cos take radians so you do not need to convert the result into degrees! So ignore the * 180 / PI bit. It took me 4 hours to find that out. :)
– sidonaldson
Oct 8 '13 at 21:26
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How to estimate how much memory a Pandas' DataFrame will need?
...718016/1024/1024 = 392.6, so df.info(memory_usage="deep") may use 2^10 to convert byte to MB, which makes me confused. Thanks for your help anyway :D.
– Catbuilts
Oct 30 '18 at 4:01
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getting date format m-d-Y H:i:s.u from milliseconds
...pproach. Rather than work to create a high-precision numeric date/time, I convert the microsecond value to a string, remove the 0, and add it to the end of the date/time string. I can easily trim the number of decimals by adjusting the string length parameter; here I use 4 to get milliseconds, but...
How do you add a timer to a C# console application
...s not valid c#: test.cs(21,20): error CS0031: Constant value '1' cannot be converted to a 'bool'
– Blake7
Feb 17 '14 at 14:07
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How to convert existing non-empty directory into a Git working directory and push files to a remote
This is trivial using Subversion (currently we do it using Subversion) using:
8 Answers
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Python - 'ascii' codec can't decode byte
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"你好".encode('utf-8')
encode converts a unicode object to a string object. But here you have invoked it on a string object (because you don't have the u). So python has to convert the string to a unicode object first. So it does the equivalent of
"你...
How to convert string to Title Case in Python?
Example:
9 Answers
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