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How does the “this” keyword work?
...roduction to the concepts of this and scope chains in JavaScript.
Once you start getting used to this, the rules are actually pretty simple. The ECMAScript 5.1 Standard defines this:
§11.1.1 The this keyword
The this keyword evaluates to the value of the ThisBinding of the current execution contex...
Where and why do I have to put the “template” and “typename” keywords?
...eds to be a dependent name (fortunately, as of mid C++14 the committee has started to look into how to fix this confusing definition).
To avoid this problem, I have resorted to a simple interpretation of the Standard text. Of all the constructs that denote dependent types or expressions, a subset ...
How do I safely pass objects, especially STL objects, to and from a DLL?
...ullptr)
{
return;
}
//figure out where the data to copy starts and stops, then loop through the basic_string and copy each element to our buffer.
safe_type* dataIterPtr = data;
safe_type* dataEndPtr = data + dataSize;
typename original_type::const_iterator iter = value...
Ship an application with a database
...ne()) != null) {
line = line.trim();
// Check for start of multi-line comment
if (multiLineComment == null) {
// Check for first multi-line comment type
if (line.startsWith("/*")) {
if (!line.endsWith("}")) {
...
How to implement classic sorting algorithms in modern C++?
...ck of store/reload to the same bin. This means more counts to zero at the start, and more to loop over at the end, but should be worth it on most CPUs for our example of millions of 0 to 100 numbers, especially if the input might already be (partially) sorted and have long runs of the same number.
...
地图组件（高德地图） · App Inventor 2 中文网
...will only trigger if Draggable is 假 because it
uses the same gesture as StartDrag.
StartDrag()
The StartDrag event runs when the user presses and holds the 标记 and then proceeds to
move their finger on the screen. It will be followed by the Drag and
StopDrag events.
StopDrag()
The St...
data.table vs dplyr: can one do something well the other can't or does poorly?
...lso like that the the pipe
isn't just limited to just one package. You can start by tidying your
data with
tidyr, and
finish up with a plot in ggvis. And you're
not limited to the packages that I write - anyone can write a function
that forms a seamless part of a data manipulation pipe. In fact, I
r...
LINQPad [extension] methods [closed]
...l(string strURL, string Title)
{
Action showURL = delegate() { Process.Start("iexplore.exe", strURL); };
var url = new Hyperlinq(showURL, "this link", true);
Util.HorizontalRun (true, "Click ", url, " for details.").Dump(Title);
}
to show hyperlinks in the result window - or any action...
How do I pass a unique_ptr argument to a constructor or a function?
...ed.
Should it be conceivable that anything throws an exception between the start of the function call and the point where it (or some contained call) actually moves the pointed-to object into another data structure (and this exception is not already caught inside the function itself), then when usin...
Git and Mercurial - Compare and Contrast
... Commonly seen A..B syntax, which for linear history means revision range starting at A (but excluding A), and ending at B (i.e. range is open from below), is shorthand ("syntactic sugar") for ^A B, which for history traversing commands mean all commits reachable from B, excluding those reachable f...