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What happens to a declared, uninitialized variable in C? Does it have a value?
...ardless of what standards say, in real life, each stack page actually does start off as zero, but when your program looks at any auto storage class values, it sees whatever was left behind by your own program when it last used those stack addresses. If you allocate a lot of auto arrays you will see ...
How can I extract a predetermined range of lines from a text file on Unix?
...he data for a single database) and place it in a new file. I know both the start and end line numbers of the data that I want.
...
Can you explain the HttpURLConnection connection process?
...very simple timing code around the entire connection block, like so:
long start = System.currentTimeMillis();
log.info("Time so far = " + new Long(System.currentTimeMillis() - start) );
// run the above example code here
log.info("Total time to send/receive data = " + new Long(System.currentTimeMi...
Difference between application/x-javascript and text/javascript content types
...bsolete and application/x-javascript was experimental). Worse, it left the start of the answer incoherent, with a block saying text/javascript just hanging out irrelevantly at the top of the answer for no obvious reason.
– Mark Amery
Aug 4 '15 at 13:52
...
What is an Android PendingIntent?
...have application B which uses a lot less permissions. If application A can start something in application B via a PendingIntent (allowing all permissions from A to be on B temporarily), can't B do whatever it can behind the scenes with that permission? For instance, A might have the permission to re...
Create array of regex matches
...]"), "abracadabra")) {
System.out.println(match.group() + " at " + match.start());
}
yields
a at 0
b at 1
a at 3
c at 4
a at 5
a at 7
b at 8
a at 10
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Drawing an SVG file on a HTML5 canvas
...rializeToString(svg);
// make it base64
var svg64 = btoa(xml);
var b64Start = 'data:image/svg+xml;base64,';
// prepend a "header"
var image64 = b64Start + svg64;
// set it as the source of the img element
img.onload = function() {
// draw the image onto the canvas
canvas.getCo...
MFC Grid control 2.27 - C/C++ - 清泛网移动版 - 专注IT技能提升
...ated data I decided what was really needed was a dedicated grid control. I started writing my own grid control from scratch but decided to save time by modifying Joe Willcoxson's free WorldCom grid control at http://users.aol.com/chinajoe/wcmfclib.html. I tore apart his code and rebuilt it from the ...
MFC Grid control 2.27 - C/C++ - 清泛网移动版 - 专注IT技能提升
...ated data I decided what was really needed was a dedicated grid control. I started writing my own grid control from scratch but decided to save time by modifying Joe Willcoxson's free WorldCom grid control at http://users.aol.com/chinajoe/wcmfclib.html. I tore apart his code and rebuilt it from the ...
MFC Grid control 2.27 - C/C++ - 清泛网移动版 - 专注IT技能提升
...ated data I decided what was really needed was a dedicated grid control. I started writing my own grid control from scratch but decided to save time by modifying Joe Willcoxson's free WorldCom grid control at http://users.aol.com/chinajoe/wcmfclib.html. I tore apart his code and rebuilt it from the ...