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Python strptime() and timezones?
...thon2.7/site-packages/dateutil/parser.py", line 310, in parse res, skipped_tokens = self._parse(timestr, **kwargs) TypeError: 'NoneType' object is not iterable
– wanghq
Apr 29 '14 at 0:16
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From io.Reader to string in Go
...ing about "the most efficient way". Currently, the Go run-time will always allocate a new string when converting []byte to string. The reason for this is that the compiler doesn't know how to determine whether the []byte will be modified after the conversion. There is some room for compiler optimiza...
Do you need break in switch when return is used?
...break, the return stops execution of the function.
(for reference: http://php.net/manual/en/function.return.php says:
If called from within a function, the return() statement immediately ends execution of the current function
)
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What does the slash mean in help() output?
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Choosing the / token, because "it's the inverse operation of *" shows, that Python is just a little bit crazy. It's a kind of synesthesia.
– Tomasz Gandor
Nov 30 '19 at 6:28
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What is the difference between Class and Klass in ruby?
...ed it out wrong a few times, it's worth noting that in Ruby, case matters. Tokens that start with a capital letter are constants. Via the Pickaxe:
A constant name starts with an uppercase letter followed by name characters. Class names and module names are constants, and follow the constant nami...
联网 App 第 4 课：图片上传，压缩后用 Web 客户端传到服务器、列表直接显...
...求内容。它与浏览器表单的 multipart/form-data 不同：依赖 PHP $_FILES 的普通上传接口或要求 multipart 的图床，不能直接替换本课 /upload 地址。仅手动设置 Content-Type 也不会生成表单分隔符、文件字段和附加字段。对象存储应以具体接...
Dynamically changing font size of UILabel
...loat)i];
NSAttributedString *attributedText = [[NSAttributedString alloc] initWithString:text attributes:@{NSFontAttributeName: font}];
CGRect rectSize = [attributedText boundingRectWithSize:CGSizeMake(self.frame.size.width, CGFLOAT_MAX) options:NSStringDrawingUsesLineFragmentOrigin...
what is “strict mode” and how is it used?
...ted", "public", "static", and "yield" are classified as FutureReservedWord tokens within strict mode code. (7.6.12 [?]).
A conforming implementation, when processing strict mode code, may not extend the syntax of NumericLiteral (7.8.3) to include OctalIntegerLiteral as described in B.1.1.
A conformi...
Multiple Updates in MySQL
...ice for dynamic updating too. For example, I used that solution in loop in php: $commandTxt = 'UPDATE operations SET chunk_finished = CASE id '; foreach ($blockOperationChecked as $operationID => $operationChecked) $commandTxt .= " WHEN $operationID THEN $ope...
Make copy of an array
...t src.clone() is more readable and has far less opportunity for error than allocating a new array and doing arraycopy. (And also happens to be fast.)
– Brian Goetz
Mar 17 at 14:03
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