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What is the difference between MOV and LEA?
...n-trivial address calculation and store the result [for later usage]
LEA ax, [BP+SI+5] ; Compute address of value
MOV ax, [BP+SI+5] ; Load value at that address
Where there are just constants involved, MOV (through the assembler's constant calculations) can sometimes appear to overlap with the s...
How do I move the turtle in LOGO? [closed]
...r of screen pointing up
LEFT [LT] - Turn turtle left
NODRAW [ND] - Enter text mode with clear screen
NOWRAP - Prevent drawings from wrapping around screen
PENCOLOR [PC] - Change pen color
PENDOWN [PD] - Turtle leaves trail
PENUP [PU] - Turtle ceases to leave trail
RIGHT ## [RT] - Turn turtle right
S...
Paste in insert mode?
...
While in insert mode hit CTRL-R {register}
Examples:
CTRL-R * will insert in the contents of the clipboard
CTRL-R " (the unnamed register) inserts the last delete or yank.
To find this in vim's help type :h i_ctrl-r
...
Clean code to printf size_t in C++ (or: Nearest equivalent of C99's %z in C++)
...not the compiler. Using __GNUC__ is therefore a bit of a problem, if you mix GCC/mingw with msvcrt (and without using mingw's augmented printf).
– jørgensen
Nov 15 '13 at 6:06
...
How can I know which parts in the code are never used?
... unused catch blocks, because the compiler generally cannot prove that no exception will be thrown.
For the second kind, it's much more difficult. Statically it requires whole program analysis, and even though link time optimization may actually remove dead code, in practice the program has been s...
%Like% Query in spring JpaRepository
...semble the standard query (automatically implemented by the spring data proxies); i.e. using the single line
List<Registration> findByPlaceContaining(String place);
is sufficient.
share
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Restful way for deleting a bunch of items
In wiki article for REST
it is indicated that if you use http://example.com/resources DELETE, that means you are deleting the entire collection.
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Controlling fps with requestAnimationFrame?
...et/m1erickson/CtsY3/
This method works by testing the elapsed time since executing the last frame loop.
Your drawing code executes only when your specified FPS interval has elapsed.
The first part of the code sets some variables used to calculate elapsed time.
var stop = false;
var frameCount = ...
Make a borderless form movable?
...chnique. Is basically boils down to:
public const int WM_NCLBUTTONDOWN = 0xA1;
public const int HT_CAPTION = 0x2;
[System.Runtime.InteropServices.DllImport("user32.dll")]
public static extern int SendMessage(IntPtr hWnd, int Msg, int wParam, int lParam);
[System.Runtime.InteropServices.DllImport("...
JavaScript: clone a function
...
try this:
var x = function() {
return 1;
};
var t = function(a,b,c) {
return a+b+c;
};
Function.prototype.clone = function() {
var that = this;
var temp = function temporary() { return that.apply(this, arguments); };
...