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What's the proper value for a checked attribute of an HTML checkbox?
...lse value.
If the attribute is present, its value must either be the empty string or a value that is an ASCII case-insensitive match for the attribute's canonical name, with no leading or trailing whitespace.
Conclusion:
The following are valid, equivalent and true:
<input type="checkbox" checke...
How to convert an array to object in PHP?
...y and '240' on production - massive dissaster. Morover if conversion fails string get's returned as NULL
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Read entire file in Scala?
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val lines = scala.io.Source.fromFile("file.txt").mkString
By the way, "scala." isn't really necessary, as it's always in scope anyway, and you can, of course, import io's contents, fully or partially, and avoid having to prepend "io." too.
The above leaves the file open, h...
Why do C++ libraries and frameworks never use smart pointers?
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I agree with you, even passing a std::string can be a pain, This says a lot about C++ as a "great language for libraries".
– Ha11owed
Apr 27 '12 at 5:56
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WPF: Setting the Width (and Height) as a Percentage Value
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I already tried that, but I'm getting this error: '2*' string cannot be converted to Length.'
– Andreas Grech
Apr 4 '09 at 16:06
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How to check a not-defined variable in JavaScript
...lejandroSilva Sorry for late reply. That won't work since typeof returns a string, so it will return 'undefined' for an undefined variable, which in turn will evaluate as TRUE therefore leading to a false positive of a defined var.
– Dmitri Farkov
Mar 17 '15 at...
How to create json by JavaScript for loop?
...l's code but swap out status.options[i].text for status.id.
If you want a string that contains a JSON representation of the selected object, use this instead:
var jsonStr = "";
var status = document.getElementsByName("status")[0];
for (i = 0, i < status.options.length, ++i) {
if (opt...
Why can't I use a list as a dict key in python?
...)
as explained by others here, indeed you cannot. You can however use its string representation instead if you really want to use your list.
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How do you use script variables in psql?
...ient:
... If you want to use the variable as the value in a conditional string query, such as ...
SELECT * FROM table1 WHERE column1 = ':myvariable';
... then you need to include the quotes in the variable itself as the above will not work. Instead define your variable as such ...
\set myvar...
Why doesn't JavaScript have a last method? [closed]
...ur example you're working with numbers. As per the MDN doc: "slice copies strings and numbers into the new array. Changes to the string or number in one array does not affect the other array." If the developer wants to get a reference "array.last" in order to do something with the value of the las...