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Does Typescript support the ?. operator? (And, what's it called?)
...eturns the first value that evaluated to false. That may be 0, null, false etc. || returns the first value that evaluates to true.
– A. K-R
Mar 8 '16 at 14:29
34
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Properties file in python (similar to Java Properties)
...les may not include sections so this configParser doesn't seem reliable at all
– BiAiB
Jul 17 at 9:27
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Why create “Implicitly Unwrapped Optionals”, since that implies you know there's a value?
...d from nib (or anywhere else after init): strings, references to subviews, etc.
– rickster
Jun 3 '14 at 4:56
2
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Inserting string at position x of another string
...er https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/substr)
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Replace line break characters with in ASP.NET MVC Razor view
... StringSplitOptions.None);
foreach(string line in lines)
{
_ = htmlContent.Append(line);
_ = htmlContent.AppendHtml(br);
}
return htmlContent;
}
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How do I know which version of Javascript I'm using?
...eaten-path one is IE9 - it implements ECMAScript 5, but doesn't implement all the features of JavaScript 1.8.5 (not sure what they're calling this version of JScript, engine codenamed Chakra, yet).
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Should struct definitions go in .h or .c file?
... -1: if you care about good software engineering (abstraction, modularity, etc) then it actually does matter where you put the struct definition
– Paul R
Jun 11 '11 at 16:23
a...
Multiline strings in JSON
...nstead provides for their representation via escape sequences (\\, \r, \n, etc.).
– user359996
Jul 15 '16 at 19:30
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How to validate an email address in PHP
...($email, FILTER_VALIDATE_EMAIL)) {
// invalid emailaddress
}
Additionally you can check whether the domain defines an MX record:
if (!checkdnsrr($domain, 'MX')) {
// domain is not valid
}
But this still doesn't guarantee that the mail exists. The only way to find that out is by sending ...
Strings as Primary Keys in SQL Database [closed]
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Technically yes, but if a string makes sense to be the primary key then you should probably use it. This all depends on the size of the table you're making it for and the length of the string that is going to be the primary key (lo...