mariash

open('/tmp/f','w'){|f| f << 'sekrit'}
f = open('/tmp/f')

exec("ruby -e 'p IO.open(#{f.fileno}).read'")
# Prints 'sekrit'

mariash

# copy with preserve updates metadata of file and if file that symlink points to has not been copied yet it fails 

require "fileutils"

`mkdir ./src`
`touch ./src/foo`

# Important that symlink name goes before source name in alphabetical order (bar points to foo)
`ln -s ./src/foo bar`

mariash

#!/bin/bash
# NPM_0_6_12=~/.nvm/v0.6.12/bin/npm NPM_0_6_8=~/.nvm/v0.6.8/bin/npm ./npm-install-problem.sh
# Install module with npm from node v0.6.12 and then use npm from node v0.6.8 to rebuild it and see it fail
# + exit code is 0 with the force option even on failure

# Npm saves install information in package.json so next time npm build is run on package with different configuration it may fail
$NPM_0_6_12 install bcrypt@0.7.2
cd ./node_modules/bcrypt

# package.json was updated with scripts -> install that looks like "node-gyp rebuild"

mariash

[Rack::Lineprof] ===============================================================

vendor/bundle/ruby/1.9.1/gems/newrelic_rpm-3.7.1.180/lib/new_relic/agent/transaction.rb
               |  32        # Return the currently active transaction, or nil.
               |  33        def self.current
 333.3ms 32234 |  34          self.stack.last
               |  35        end
               |  36  
              .......
               |  53  

mariash

- (BOOL)application:(UIApplication *)application openURL:(NSURL *)url 
  sourceApplication:(NSString *)sourceApplication annotation:(id)annotation
{
    if (url != nil && [url isFileURL]) {
        NSError *error;
        [[MYFileManager sharedInstance] importAttachment:url.path error:&error];
        
        if (error != nil) {
            [[MYAlertDisplayer sharedInstance]
             displayAlert:@"Error" withMessage:@"Failed to import file"];

mariash

(gdb) call (void) close(1)
(gdb) call (void) close(2)
(gdb) shell tty
/dev/pts/1

(gdb) call (int) open("/dev/pts/1", 2, 0)
(gdb) call (int) open("/dev/pts/1", 2, 0)

(gdb) call (void)rb_backtrace()

mariash

2 tests, 2 assertions, 0 failures, 0 errors, 0 pendings, 0 omissions, 0 notifications
100% passed

7.91 tests/s, 7.91 assertions/s
mariash@mariash-mac:~/workspace/test_httpclient $ ruby main.rb -v
Loaded suite main
Started
TestHTTPClient:
  test_get_chunked_file:				[2014-07-29 22:11:37] INFO  WEBrick 1.3.1
[2014-07-29 22:11:37] INFO  ruby 2.1.2 (2014-05-08) [x86_64-darwin13.0]

mariash

→ cat test_spec.rb

describe "hello" do
  before do
    skip "skipped"
  end
  it "works" do
  end
end

mariash

https://github.com/cloudfoundry/bosh-lite/blob/master/templates/vagrant-aws.tpl#L63

mariash

package main

import (
	"github.com/cloudfoundry/bosh-utils/retrystrategy"
	"github.com/pivotal-golang/clock"
)

func main() {
	clock.Clock
	retrystrategy.Clock