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What is the minimum I have to do to create an RPM file?
...PM < 4.6,4.7
mkdir -p ~/rpmbuild/{RPMS,SRPMS,BUILD,SOURCES,SPECS,tmp}
cat <<EOF >~/.rpmmacros
%_topdir %(echo $HOME)/rpmbuild
%_tmppath %{_topdir}/tmp
EOF
cd ~/rpmbuild
2. create the tarball of your project
mkdir toybinprog-1.0
mkdir -p toybinprog-1.0/usr/bin
mkdir -p toybinprog...
How to generate random SHA1 hash to use as ID in node.js?
... 0.000000000000000000000000000000000000000000000137%
Holy cats, man! Look at all those zeroes. So how much better is crypto.randomBytes(20)? 243,583,606,221,817,150,598,111,409 times better.
Notes about the +1 and frequency of zeroes
If you're wondering about the +1, it's possib...
C++ code file extension? .cc vs .cpp [closed]
I have seen C++ code saved as both .cc and .cpp files. Is there a difference between the two?
17 Answers
...
Difference between CC, gcc and g++?
What are the difference between the 3 compilers CC, gcc, g++ when compiling
C and C++ code in terms of assembly
code generation, available libraries, language features, etc.?
...
MD5 algorithm in Objective-C
...tions.h"
#import <CommonCrypto/CommonDigest.h> // Need to import for CC_MD5 access
@implementation NSString (MyAdditions)
- (NSString *)md5
{
const char *cStr = [self UTF8String];
unsigned char result[CC_MD5_DIGEST_LENGTH];
CC_MD5( cStr, (int)strlen(cStr), result ); // This is the...
How can I view the source code for a function?
...
The output already offers a lot of information. standardGeneric is an indicator of an S4 function. The method to see defined S4 methods is offered helpfully:
> showMethods(chol2inv)
Function: chol2inv (package base)
x="ANY"
x="CHMfactor"
x="denseMatrix"
x="diagonalMatrix"
x="dtrMatrix"
x="spars...
Extract hostname name from string
...ostname(url) {
var hostname;
//find & remove protocol (http, ftp, etc.) and get hostname
if (url.indexOf("//") > -1) {
hostname = url.split('/')[2];
}
else {
hostname = url.split('/')[0];
}
//find & remove port number
hostname ...
What is the difference between URI, URL and URN? [duplicate]
...be obtained. It does not have to be HTTP URL (http://), a URL can also be (ftp://) or (smb://).
A Uniform Resource Name (URN) is a Uniform Resource Identifier (URI) that uses the URN scheme, and does not imply availability of the identified resource. Both URNs (names) and URLs (locators) are URIs, ...
How do I select a merge strategy for a git rebase?
...es are there; they just have to decide exactly how they're going to communicate from rebase to merge.
– Cascabel
Jun 24 '10 at 16:06
...
Example JavaScript code to parse CSV data
...function(r, c, v) { return v; };
var chars = csv.split(''), c = 0, cc = chars.length, start, end, table = [], row;
while (c < cc) {
table.push(row = []);
while (c < cc && '\r' !== chars[c] && '\n' !== chars[c]) {
start = e...