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Unable to launch the IIS Express Web server, Failed to register URL, Access is denied
... Also worked for me on ASP.NET Core 1.0 RC1, although it is now in Debug tab and I had to toggle SSL Enable off and on again to generate a new port then copy that to Launch URL box. stackoverflow.com/a/35706891/134761
– angularsen
Feb 29 '16 at 1...
Is there a good reason I see VARCHAR(255) used so often (as opposed to another length)?
...ve to use its "utf8mb4" encoding. But people are much more likely to not know that and go with "utf8", and much more likely to want UTF-8 than any other encoding, so, presto, they wind up with a maximum indexable length of 255 characters in a VARCHAR. Your astoundment notwithstanding.
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Node / Express: EADDRINUSE, Address already in use - Kill server
...f' fails: 14 Mar 21:19:30 - socket.io ready - accepting connections Could now start the server: EADDRINUSE, Address already in use
– Jean Jordaan
Mar 14 '11 at 14:21
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Escape a string for a sed replace pattern
...PED_REPLACE=$(printf '%s\n' "$REPLACE" | sed -e 's/[\/&]/\\&/g')
# Now you can use ESCAPED_REPLACE in the original sed statement
sed "s/KEYWORD/$ESCAPED_REPLACE/g"
If you ever need to escape the KEYWORD string, the following is the one you need:
sed -e 's/[]\/$*.^[]/\\&/g'
And can be...
What is function overloading and overriding in php?
...ue;
$a=doSomething();
Each variable is of a different type, yet you can know the type before execution (see the 4th one).
As a comparison, other languages use:
int a=1;
String s="1";
bool a=true;
something a=doSomething();
In the last example, you must forcefully set the variable's type (as an ...
Is it possible to use JS to open an HTML select to show its option list? [duplicate]
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Unfortunately, it is now deprecated on Chrome 53+
– Washington Guedes
Sep 27 '16 at 19:58
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C++ - passing references to std::shared_ptr or boost::shared_ptr
...e
{
...
sp->do_something();
...
}
How do you know that sp->do_something() will not blow up due to a null pointer?
It all depends what is in those '...' sections of the code. What if you call something during the first '...' that has the side-effect (somewhere in anot...
Should I be using object literals or constructor functions?
...;
};
A class like this also acts like a schema for your data object: You now have some sort of contract (through the constructor) what properties the object initializes/contains. A free literal is just an amorphous blob of data.
You might as well have an external verify function that acts on a pl...
Use JavaScript to place cursor at end of text in text input element
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Works in Chrome now (9.0.597.98)
– Matt
Feb 28 '11 at 10:05
6
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Convert SVG to image (JPEG, PNG, etc.) in the browser
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You can now use the JavaScript SVG library Pablo to achieve this (I made it). See the toImage() and also download() for an auto-downloaded image.
– Premasagar
Sep 15 '14 at 14:04
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