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Why does “return list.sort()” return None, not the list?

... answered Sep 4 '11 at 18:00 Ismail BadawiIsmail Badawi 29.6k66 gold badges7373 silver badges9090 bronze badges ...
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How to detect if a specific file exists in Vimscript?

... 138 With a bit of searching in vim man I've found this, which looks much better that the original:...
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Extracting just Month and Year separately from Pandas Datetime column

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Selecting the last value of a column

...xRows(); var values = SpreadsheetApp.getActiveSheet().getRange(column + "1:" + column + lastRow).getValues(); for (; values[lastRow - 1] == "" && lastRow > 0; lastRow--) {} return values[lastRow - 1]; } Usage: =lastValue("G") EDIT: In response to the comment asking for the fu...
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Why is it OK to return a 'vector' from a function?

... answered Mar 26 '14 at 8:22 πάντα ῥεῖπάντα ῥεῖ 81k1212 gold badges8888 silver badges160160 bronze badges ...
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TCP 的那些事儿(下) - 更多技术 - 清泛网 - 专注C/C++及内核技术

...端发包时记下t0,然后接收端再把这个ack回来时再记一个t1,于是RTT = t1 – t0。没那么简单,这只是一个采样,不能代表普遍情况。 经典算法 RFC793 中定义的经典算法是这样的: 1)首先,先采样RTT,记下最近好几次的RTT...
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Visual Studio build fails: unable to copy exe-file from obj\debug to bin\debug

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Twig: in_array or similar possible within if statement?

... | edited Apr 30 '15 at 4:42 jake stayman 1,2241111 silver badges2020 bronze badges answered Sep...
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Cannot pass null argument when using type hinting

... PHP 7.1 or newer (released 2nd December 2016) You can explicitly declare a variable to be null with this syntax function foo(?Type $t) { } this will result in $this->foo(new Type()); // ok $this->foo(null); // ok $this-&...
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In Hibernate Validator 4.1+, what is the difference between @NotNull, @NotEmpty, and @NotBlank?

... 319 @NotNull: The CharSequence, Collection, Map or Array object is not null, but can be empty. @Not...