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How do I convert a string to a number in PHP?
...o this, since PHP will coerce the type for you in most circumstances. For situations where you do want to explicitly convert the type, cast it:
$num = "3.14";
$int = (int)$num;
$float = (float)$num;
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C++ catch blocks - catch exception by value or reference? [duplicate]
... catch by reference
Catching by value is problematic in the face of inheritance hierarchies. Suppose for your example that there is another type MyException which inherits from CustomException and overrides items like an error code. If a MyException type was thrown your catch block would cause i...
How to select option in drop down using Capybara
I'm trying to select an item from a drop down menu using Capybara (2.1.0).
9 Answers
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Why can't overriding methods throw exceptions broader than the overridden method?
... across this explanations of throwing exceptions in overridden method. I quite didn't get it. Can any one explain it to me ?
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libpthread.so.0: error adding symbols: DSO missing from command line
When I'm compiling openvswitch-1.5.0, I've encountered the following compile error:
14 Answers
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How to test which port MySQL is running on and whether it can be connected to?
...follow
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edited Jul 6 '17 at 5:58
answered May 3 '11 at 4:08
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Is there a way to create a function from a string with javascript?
...t for 4 different ways to create a function from string :
Using RegExp with Function class
var func = "function (a, b) { return a + b; }".parseFunction();
Using Function class with "return"
var func = new Function("return " + "function (a, b) { return a + b; }")();
Using official Function const...
How to handle initializing and rendering subviews in Backbone.js?
I have three different ways to initialize and render a view and its subviews, and each one of them has different problems. I'm curious to know if there is a better way that solves all of the problems:
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Faye vs. Socket.IO (and Juggernaut)
...the most popular and active WebSocket emulation library. Juggernaut uses it to create a complete pub/sub system.
3 Answer...
How to check whether a string contains a substring in Ruby
I have a string variable with content:
9 Answers
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