大约有 48,000 项符合查询结果(耗时:0.0941秒) [XML]

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How do I get the width and height of a HTML5 canvas?

...le via .scrollWidth and .scrollHeight: var canvasElem = document.querySelector('canvas'); document.querySelector('#dom-dims').innerHTML = 'Canvas DOM element width x height: ' + canvasElem.scrollWidth + ' x ' + canvasElem.scrollHeight var canvasContext = canvasElem.getC...
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How is the default max Java heap size determined?

...1.4.2. In the J2SE platform version 1.4.2 by default the following selections were made initial heap size of 4 Mbyte maximum heap size of 64 Mbyte share | improve this answer...
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How do I duplicate a whole line in Emacs?

... which breaks down to C-a: move cursor to start of line C-SPACE: begin a selection ("set mark") C-n: move cursor to next line M-w: copy region C-y: paste ("yank") The aforementioned C-a C-k C-k C-y C-y amounts to the same thing (TMTOWTDI) C-a: move cursor to start of line C-k: cut ("kill") ...
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How can I run a directive after the dom has finished rendering?

... @JonathanCremin jQuery selecting is the issue at hand as per the OP – Nick Devereaux May 28 '14 at 4:27 1 ...
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How to semantically add heading to a list

... Try defining a new class, ulheader, in css. p.ulheader ~ ul selects all that immediately follows My Header p.ulheader ~ ul { margin-top:0; { p.ulheader { margin-bottom;0; } share | ...
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Android AlertDialog Single Button

...> public class MainActivity extends AppCompatActivity { String select; String[] fruitNames; Button infoDialog, iconDialog, rateDialog, singleOptionDialog, multiOptionDialog; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstan...
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Replace all elements of Python NumPy Array that are greater than some value

... I came across. I wonder if there is a big difference between this and the selected answer above. What do you think? – jonathanking Feb 18 '18 at 16:44 ...
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Django: Get an object form the DB, or 'None' if nothing matches

... cases where your logic expects there to be only a single object (which is selected by first()), but in reality multiple objects exist. Using get() instead of first() gives you an extra layer of protection, by raising MultipleObjectsReturned(). If the result being returned is not expected to return ...
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How to open a local disk file with JavaScript?

...leReader facility does allow you to process local files, but these MUST be selected by the user, you cannot go rooting about the users disk looking for files. I currently use this with development versions of Chrome (6.x). I don't know what other browsers support it. ...
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Python list directory, subdirectory, and files

...n i[2]] for i in os.walk('./')] for val in sublist] # Meta comment to ease selecting text The outer most val for sublist in ... loop flattens the list to be one dimensional. The j loop collects a list of every file basename and joins it to the current path. Finally, the i loop iterates over all di...