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What is the advantage of GCC's __builtin_expect in if else statements?
... puts("a");
return 0;
}
Compile and decompile with GCC 4.8.2 x86_64 Linux:
gcc -c -O3 -std=gnu11 main.c
objdump -dr main.o
Output:
0000000000000000 <main>:
0: 48 83 ec 08 sub $0x8,%rsp
4: 31 ff xor %edi,%edi
6: e8 00 ...
How to use http.client in Node.js if there is basic authorization
... this case and the username:password combination which gets encoded in Base64:
var username = 'Test';
var password = '123';
var auth = 'Basic ' + Buffer.from(username + ':' + password).toString('base64');
// new Buffer() is deprecated from v6
// auth is: 'Basic VGVzdDoxMjM='
var header = {'Host':...
How do I install cURL on cygwin?
... this file.so i downloaded this file (or you can do a wget).I am on windows64 bit.So ,if you go to https://cygwin.com/install.html ,you can download setup-x86_64.exe file from the install and updates section,move this setup-x86_64.exe to your c:/cygwin64,and then run it from there ( setup-x86_64.e...
AES Encryption for an NSString on the iPhone
...d 10.4 doesn't, so YMMV.
EDIT: See this follow-up question on using Base64 encoding for representing encrypted data bytes as a string (if desired) using safe, lossless conversions.
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How do I properly clean up Excel interop objects?
...ots" is not sufficient to prevent a problem: stackoverflow.com/questions/4964663/…
– Mike Rosenblum
Feb 13 '11 at 17:22
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Why is XOR the default way to combine hashes?
...ue which is big enough to describe the size of any object in memory. On a 64 bit system, it is usually a 64 bit unsigned integer. On a 32 bit system, a 32 bit unsigned integer.)
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Use basic authentication with jQuery and Ajax
...(xhr) { xhr.setRequestHeader(“Authorization”, “Basic ” + encodeBase64 (“username:password”) );}, succes: function(val) { //alert(val); alert("Thanks for your comment!"); } }); `
– Patrioticcow
Mar 31 '11 at 23:07
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How to tell if JRE or JDK is installed
...
Shiraaz.MShiraaz.M
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Stack smashing detected
...-0x8(%rbp),
# which is right at the bottom of the stack.
400581: 64 48 8b 04 25 28 00 mov %fs:0x28,%rax
400588: 00 00
40058a: 48 89 45 f8 mov %rax,-0x8(%rbp)
40058e: 31 c0 xor %eax,%eax
char arr[] = {'a', 'b', 'c', 'd'...
How to take screenshot with Selenium WebDriver
...t does the same thing.
There are also methods for: .get_screenshot_as_base64() (for embedding in html) and .get_screenshot_as_png()(for retrieving binary data).
and Note that WebElements have a .screenshot() method that works similarly, but only captures the selected element.
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