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Storing Data in MySQL as JSON
...u say is possible and convenient, but deviating from well-formed relations means doing more work to accommodate and maintain said deviations. Bastardizing the relational model needs better justification than what you provided. See Database Processing by Kroenke and Auer for more information on compl...
Using Custom Domains With IIS Express
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Also just as a reference Bad Request - Invalid Hostname means that the hostname I am trying to use cannot resolve because the IIS Express team in their infinite wisdom decided to specifically call out "localhost" as the only host header that would work. And VS won't let you run i...
DateTime.ToString(“MM/dd/yyyy HH:mm:ss.fff”) resulted in something like “09/14/2013 07.20.31.371”
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: has special meaning: it is The time separator. (Custom Date and Time Format Strings).
Use \ to escape it:
DateTime.ToString(@"MM/dd/yyyy HH\:mm\:ss.fff")
Or use CultureInfo.InvariantCulture:
DateTime.ToString("MM/dd/yyyy HH:mm:ss.ff...
Sending HTTP POST Request In Java
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enigmatic \r\n\r\n means CRLF CRLF (carriage return + line feed). It creates 2x new line. First new line is to finish current line. Second line is to distinguish http header from http body in a request. HTTP is ASCII based protocol. This is the...
When exactly is it leak safe to use (anonymous) inner classes?
... to create it and whether it has any children so that it can display. This means that every View has an reference to the Activity (via getContext()). Moreover, every View keeps references to its children (i.e. getChildAt()). Finally, each View keeps a reference to the rendered Bitmap that represents...
How is performance affected by an unused using directive?
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Does this mean that longer class and method names have a small but actual (if immeasurable) impact on JIT compilation times?
– Jared Updike
May 5 '10 at 23:08
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How should one use std::optional?
...instead of passing around some "phantom" value "assumed" to have a "error" meaning.
– Luis Machuca
Oct 3 '13 at 16:35
1
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Ruby on Rails: How do you add add zeros in front of a number if it's under 10?
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Did you mean sprintf '%02d', n?
irb(main):003:0> sprintf '%02d', 1
=> "01"
irb(main):004:0> sprintf '%02d', 10
=> "10"
You might want to reference the format table for sprintf in the future, but for this particular exa...
How do I deep copy a DateTime object?
... I would like to see the source of clone doing shallow copy. Does it mean it is possible to do deep copy too in PHP? I thought there is just "clone" to copy object but not just reference, which for me sounds like a deep copy?
– barell
Sep 3 at 16:36
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Why is conversion from string constant to 'char*' valid in C but invalid in C++
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@rullof: It's dangerous enough that it doesn't give any meaningful flexibility, at least for code that cares (at all) about portability. Writing to a string literal will typically get your program aborted on a modern OS, so allowing code to (try to) write there doesn't add any mea...