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How can I programmatically get the MAC address of an iphone
...tIPAddresses();
GetHWAddresses();
int i;
NSString *deviceIP = nil;
for (i=0; i<MAXADDRS; ++i)
{
static unsigned long localHost = 0x7F000001; // 127.0.0.1
unsigned long theAddr;
theAddr = ip_addrs[i];
if (theAddr == 0) break;
if (theAddr == localHost) continue;
N...
Why does Popen.communicate() return b'hi\n' instead of 'hi'?
...open("echo -n hi", \
shell=True, stdout=subprocess.PIPE).communicate()[0])
As for the b preceding the string it indicates that it is a byte sequence which is equivalent to a normal string in Python 2.6+
http://docs.python.org/3/reference/lexical_analysis.html#literals
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C++ sorting and keeping track of indexes
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305
Using C++ 11 lambdas:
#include <iostream>
#include <vector>
#include <numeric&g...
Why do I need 'b' to encode a string with Base64?
...s 8-bit binary byte data and encodes it uses only the characters A-Z, a-z, 0-9, +, /* so it can be transmitted over channels that do not preserve all 8-bits of data, such as email.
Hence, it wants a string of 8-bit bytes. You create those in Python 3 with the b'' syntax.
If you remove the b, it be...
Defining a percentage width for a LinearLayout? [duplicate]
I want to define a percentage width (70%) for a LinearLayout that contains some buttons, so that I can center it and so that the child buttons can fill_parent. Here's a picture showing what I mean:
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How do i put a border on my grid in WPF?
...gt;
<Grid Height="166" HorizontalAlignment="Left" Margin="12,12,0,0" Name="grid1" VerticalAlignment="Top" Width="479" Background="#FFF2F2F2" />
</Border>
</Grid>
This should get you what you're after (though you may want to put a margin on all 4 sides, not just 2...)
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Github (SSH) via public WIFI, port 22 blocked
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edited Sep 27 '12 at 1:07
Fábio Batista
23.2k33 gold badges5050 silver badges6565 bronze badges
answ...
How to write iOS app purely in C
...c_msgSend(self->window, sel_getUid("initWithFrame:"), (struct CGRect) { 0, 0, 320, 480 });
// here, we are creating our view controller, and our view. note the use of objc_getClass, because we cannot reference UIViewController directly in C.
id viewController = objc_msgSend(objc_msgSend(...
How to determine function name from inside a function
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You can use ${FUNCNAME[0]} in bash to get the function name.
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Inserting a text where cursor is using Javascript/jquery
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return;
}
var scrollPos = txtarea.scrollTop;
var strPos = 0;
var br = ((txtarea.selectionStart || txtarea.selectionStart == '0') ?
"ff" : (document.selection ? "ie" : false));
if (br == "ie") {
txtarea.focus();
var range = document.selection.createRange();
...