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How to check file MIME type with javascript before upload?
...adAsDataURL(blob);
}
// Add more from http://en.wikipedia.org/wiki/List_of_file_signatures
function mimeType(headerString) {
switch (headerString) {
case "89504e47":
type = "image/png";
break;
case "47494638":
type = "image/gif";
break;
case "ffd8ff...
Is PowerShell ready to replace my Cygwin shell on Windows? [closed]
...would be: sed 's/pattern/replacement/' file, which is roughly gc file | %{$_ -replace 'pattern','replacement'}, and similarly for awk: awk 'BEGIN {} /pat1/ {action1} /pat2/ {action2} END {}' file is roughly {BEGIN {}; switch -r -c -file file { 'pat1' {action1} 'pat2' {action2}}; END{};}
...
What is std::move(), and when should it be used?
...ed, that's why it could be used on some non-copyable objects, like a unique_ptr). It's also possible for an object to take the content of a temporary object without doing a copy (and save a lot of time), with std::move.
This link really helped me out :
http://thbecker.net/articles/rvalue_referenc...
Is it possible to make a type only movable and not copyable?
...g.
struct Triplet {
one: int,
two: int,
three: int,
_marker: NoCopy
}
You can also do it by having a destructor (via implementing the Drop trait), but using the marker types is preferred if the destructor is doing nothing.
Types now move by default, that is, when you d...
How can I get zoom functionality for images?
...example.touch.TouchImageView
android:id="@+id/img”
android:layout_width="match_parent"
android:layout_height="match_parent" />
Note: I've removed my prior answer, which included some very old code and now link straight to the most updated code on github.
ViewPager
If you are int...
What is the difference between Class Path and Build Path
...h option because they both may need it.
– intrepistar_88
Jan 19 '18 at 20:46
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How to gracefully handle the SIGKILL signal in Java
...east in my JVM implementation: Java(TM) SE Runtime Environment (build 1.8.0_25-b17), Java HotSpot(TM) 64-Bit Server VM (build 25.25-b02, mixed mode).
As other users commented, the usage of shutdown hooks seems mandatory.
So, how do I would handle it?
Well first, I do not care about it in all pr...
Best way to get child nodes
...odes to get NodeList, then make an array of all nodes with nodeType ELEMENT_NODE.
/**
* Return direct children elements.
*
* @param {HTMLElement}
* @return {Array}
*/
function elementChildren (element) {
var childNodes = element.childNodes,
children = [],
i = childNodes.len...
C++ templates Turing-complete?
...te<typename List, int N, typename = void>
struct GetItem {
static_assert(N > 0, "index cannot be negative");
static_assert(GetSize<List>::value > 0, "index too high");
typedef typename GetItem<typename List::tail, N-1>::type type;
};
template<typename List>...
Differences between detach(), hide() and remove() - jQuery
..., visit: http://www.scriptcafe.in/2014/03/what-is-difference-between-jquery_15.html
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