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C++ multiline string literal
Is there any way to have multi-line plain-text, constant literals in C++, à la Perl? Maybe some parsing trick with #include ing a file? I can't think of one, but boy, that would be nice. I know it'll be in C++0x.
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Hidden features of HTML
...olute path:
<img src="//domain.com/img/logo.png"/>
If the browser is viewing an page in SSL through HTTPS, then it'll request that asset with the https protocol, otherwise it'll request it with HTTP.
This prevents that awful "This Page Contains Both Secure and Non-Secure Items" error messa...
Is there a “default” MIME type?
Is there what could be considered a "default" mimetype?
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The property 'value' does not exist on value of type 'HTMLElement'
...ript and am trying to create a script that will update a p-element as text is inputted in a input box.
11 Answers
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Checking if a string is empty or null in Java [duplicate]
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Correct way to check for null or empty or string containing only spaces is like this:
if(str != null && !str.trim().isEmpty()) { /* do your stuffs here */ }
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How to debug a bash script? [closed]
Is there any way to debug a bash script? E.g something that prints a sort of execution log like "calling line 1", "calling line 2" etc.
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Public Fields versus Automatic Properties
...You can't databind against a variable.
Changing a variable to a property is a breaking change. For example:
TryGetTitle(out book.Title); // requires a variable
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Difference between java.lang.RuntimeException and java.lang.Exception
...k the index first. RuntimeException are not checked by the compiler, so it is clean code.
EDIT : These days people favor RuntimeException because the clean code it produces. It is totally a personal choice.
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Call apply-like function on each row of dataframe with multiple arguments from each row
...frame, I want to call a function on the row, and the input of the function is using multiple columns from that row. For example, let's say I have this data and this testFunc which accepts two args:
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Finding Variable Type in JavaScript
..."foo")
"object"
> typeof new Number(42)
"object"
The type of an array is still object. Here you really need the instanceof operator.
Update:
Another interesting way is to examine the output of Object.prototype.toString:
> Object.prototype.toString.call([1,2,3])
"[object Array]"
> Objec...