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JavaScript curry: what are the practical applications?
...self—is useful in JavaScript; it is a technique for converting function calls with multiple arguments into chains of function calls with a single argument for each call, but JavaScript supports multiple arguments in a single function call.
In JavaScript—and I assume most other actual languages...
Check OS version in Swift?
...you're using Swift 2 and you want to check the OS version to use a certain API, you can use new availability feature:
if #available(iOS 8, *) {
//iOS 8+ code here.
}
else {
//Code for iOS 7 and older versions.
//An important note: if you use #availability, Xcode will also
//check t...
How to scroll to specific item using jQuery?
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element.scrollIntoView() - that is all that is required. Animation is standardised. See developer.mozilla.org/en-US/docs/Web/API/Element/scrollIntoView
– WickyNilliams
Feb 26 '16 at 11:46
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How to execute a raw update sql with dynamic binding in rails
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It doesn't look like the Rails API exposes methods to do this generically. You could try accessing the underlying connection and using it's methods, e.g. for MySQL:
st = ActiveRecord::Base.connection.raw_connection.prepare("update table set f1=? where f2=? and f3=?")
st.execute(f1, f2, f3)
st...
How to find out where a function is defined?
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@EHerman I don't think you can find callers of a function with reflection. If you could it probably wouldn't work well for this because PHP files tend to be included on demand, and so you would likely not have all the code loaded which does call the function.
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AngularJS-Twig conflict with double curly braces
...erpolation by Twig so you have to be more careful with the contents, especially if you are using expressions.
If you still hate seeing all those curly braces, you can also create a simple macro to automate the process:
{% macro curly(contents) %}
{{ '{{' ~ contents ~ '}}' }}
{% endmacro %}
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Multiple Inheritance in PHP
...tMessage class, and sending algorithm is delegated to dispatcher. This is called Strategy Pattern, you can read more on it here.
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What characters are forbidden in Windows and Linux directory names?
...ot create a folder named A if one named a already exists. Worse, seemingly-allowed names like PRN and CON, and many others, are reserved and not allowed. Windows also has several length restrictions; a filename valid in one folder may become invalid if moved to another folder. The rules for
naming f...
Dynamically replace the contents of a C# method?
What I want to do is change how a C# method executes when it is called, so that I can write something like this:
9 Answers
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Phpcms v9 实现首页|列表页|内容页点击量调用的代码 - 更多技术 - 清泛网 -...
...:<span id="hits">< span>...<script language="JavaScript" src="{APP_PATH}api.p...1、内容页的点击量获取比较简单,一般默认模板中自带:
<span id="hits"></span>
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<script language="JavaScript" src="{APP_PATH}api.php?op=count&id={$id}&modelid={$modelid}"></script></span...
