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How can I convert a string to a number in Perl?

I have a string which holds a decimal value in it and I need to convert that string into a floating point variable. So an example of the string I have is "5.45" and I want a floating point equivalent so I can add .1 to it. I have searched around the internet, but I only see how to convert a string t...
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Simplest way to detect a mobile device in PHP

... a mobile browser in PHP. The code detects a user based on the user-agent string by preg_match()ing words that are found in only mobile devices user-agent strings after hundreds of tests. It has 100% accuracy on all current mobile devices and I'm currently updating it to support more mobile devices...
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What is “callback hell” and how and why does RX solve it?

...appens after B is called listening to 'aFinished'. You can then easily add extra steps or extend this kind of behaviour, and can easily test that your code executes in order by merely broadcasting events in your test case. s...
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Why use 'virtual' for class properties in Entity Framework model definitions?

...lized behavior if they implement get and set accessors. public virtual string Name { get; set; } // ordinary virtual property with backing field private int num; public virtual int Number { get { return num; } set { num = value; } } } class MyDerivedClass :...
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汇编语言超浓缩教程(汇编入门必备) - C/C++ - 清泛网 - 专注C/C++及内核技术

...段寄存器;SS(Stack Segment):堆栈段寄存器;ES(Extra Segment):附加段寄存器。当一个程序要执行时,就要决定程序代码、数据和堆栈各要用到内存的哪些位置,通过设定段寄存器 CS,DS,SS 来指向这些起始位置。通常是...
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Why is there an unexplainable gap between these inline-block div elements? [duplicate]

...o the elements "inline" properties, the same as spacing between words in a string of text in your HTML markup. This is why removing white-space in the markup also works.) The easiest fix is to just float the container. (eg. float: left;) On another note, each id should be unique, meaning you can't u...
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Getting the name of a child class in the parent class (static context)

...: get_class($this); and it will return the name of the child class as a string. i.e. class Parent() { function __construct() { echo 'Parent class: ' . get_class() . "\n" . 'Child class: ' . get_class($this); } } class Child() { function __construct() { parent::const...
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How do I set the figure title and axes labels font size in Matplotlib?

...et_xlabel('some xlabel', fontsize=12)? It seems like rcParams only accepts strings. – timgeb Jan 20 '19 at 15:57 5 ...
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Pass Method as Parameter using C#

...an example that should work: public class Class1 { public int Method1(string input) { //... do something return 0; } public int Method2(string input) { //... do something different return 1; } public bool RunTheMethod(Func<string, int...
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Why use Abstract Base Classes in Python?

...t. For example, if there is a __str__() method, it is expected to return a string representation of the object. It could delete all contents of the object, commit the transaction and spit a blank page out of the printer... but there is a common understanding of what it should do, described in the Py...