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git archive --format=zip --prefix=projectname/ HEAD `git diff --name-only <commit>` -o archive.zip

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Sub MonotonePrint()
  Dim Current As Worksheet

  For Each Current In Worksheets
   ' 印刷設定を白黒に
    Current.PageSetup.BlackAndWhite = True
  Next
 
 ' ブック印刷
  ActiveWorkbook.Worksheets.PrintOut

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// JScript.dll(IE) version check script
function getScriptEngineInfo(){
  var s = ScriptEngine() + " Version ";
  s += ScriptEngineMajorVersion() + "." + ScriptEngineMinorVersion() + "." +　ScriptEngineBuildVersion();
  return(s);
}
alert(getScriptEngineInfo());

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// repeat character
String.prototype.repeat = function(num) {
  return new Array(num + 1).join(this); 
}
// convert strings and filling zero
String.prototype.decimalf = function(num) {
  if (isNaN(this) || isNaN(num) || num < 0){ return this;};
  ary = this.split(".");
  if(num == 0) { return ary[0]; };
  ary[1] = (((ary.length>2)? ary[1] : "") + "0".repeat(num)).substring(0,num);

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$(function(){
  // same class name jQuery object
  $('div.some_class');
  // these reverse indices jQuery object
  // Once get indexed objects to array, 
  // Then use Array.reverse() to descending order.
  // At last, convert array object to jQuery object.
  $($('div.some_class').get().reverse());
});

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# Array#map
def cross(a, b)
  a.map{|elem_a| b.map{|elem_b| elem_a.to_s + elem_b.to_s}}.flatten
end

# Array#product
def cros(a,b)
  a.product(b).map{|elem| elem.join()}
end

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hash = Hash.new{|h,k| h[k] = []}

hash[:test] << "Hello" #=> {:test => ["Hello"]}

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==> Cloning https://github.com/stevedekorte/io.git
Updating /Users/hsato/Library/Caches/Homebrew/io--git
git remote set-url origin https://github.com/stevedekorte/io.git
git fetch origin
git reset --hard
HEAD is now at c83f98e Merge pull request #129 from jcowgar/master
git checkout-index -a -f --prefix=/private/tmp/homebrew-io-HEAD-VDm0/
==> Downloading patches
==> Patching
/usr/bin/patch -f -p1 -i 001-homebrew.diff

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a = [1,2,3,4,5,6,4,5]
a.inject(Hash.new 0) {|h,v| h[v]+= 1;h}.select {|h,v| v >= 2}.keys #=> [4,5]

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x = { "one" => "one", "two" => "two", "three" => "three"}
y = x.reject {|key,value| key == "three" }
y == { "one" => "one", "two" => "two"}