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std::shared_ptr of this
...Note however, that calling .shared_from_this() requires that this is owned by std::shared_ptr at the point of call. This means that you cannot create such object on stack anymore, and generally cannot call .shared_from_this() from within a constructor or destructor.
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In what order do static/instance initializer blocks in Java run?
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Except that the class is loaded when it's referenced by another class, which may be a long time before it's initialized.
– Hot Licks
Aug 10 '14 at 3:00
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Is python's sorted() function guaranteed to be stable?
...r lists, whenever the "primary" sorting keys are equal, it ends up sorting by the "secondary" key. For example, sorted([(1, 2), (1, 1)]) returns [(1, 1), (1, 2)] instead of returning the original input in the same sequence/order. Shouldn't the guarantee of stability mean that it should be returning ...
Dynamically change color to lighter or darker by percentage CSS (Javascript)
...e some other links, but with lighter color. Obviously I can just do simply by the hex code adding in the CSS file, but our site lets user decide what colors they want for their customized profile/site (like Twitter).
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MongoDB: Find a document by non-existence of a field?
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
How can I apply a function to every row/column of a matrix in MATLAB?
You can apply a function to every item in a vector by saying, for example, v + 1 , or you can use the function arrayfun . How can I do it for every row/column of a matrix without using a for loop?
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How to name factory like methods?
...version methods.
of — A concise alternative to valueOf, popularized by EnumSet (Item 32).
getInstance — Returns an instance that is described by the parameters
but cannot be said to have the same value. In the case of a singleton,
getInstance takes no parameters and returns the sol...
How do servlets work? Instantiation, sessions, shared variables and multithreading
... ServletConfig. Those servlets are initialized in the same order specified by that value (1 is 1st, 2 is 2nd, etc). If the same value is specified for more than one servlet, then each of those servlets is loaded in the same order as they appear in the web.xml, web-fragment.xml, or @WebServlet classl...
mongodb find by multiple array items
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
JavaScript get element by name
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The reason you're seeing that error is because document.getElementsByName returns a NodeList of elements. And a NodeList of elements does not have a .value property.
Use this instead:
document.getElementsByName("acc")[0].value
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