cypok

import com.sun.net.httpserver.HttpExchange;
import com.sun.net.httpserver.HttpHandler;
import com.sun.net.httpserver.HttpServer;

import java.io.*;
import java.net.InetSocketAddress;
import java.nio.charset.StandardCharsets;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.*;

cypok

import gettext

lang = gettext.translation("wtf")
_ = lang.gettext

print(_("Program started")) # prints translated message

def work_hard():
  print(_("Working hard")) # raises UnboundLocalError: local variable '_' referenced before assignment
  #

cypok

UPD: задачи и решения переехали:

• пост на habrahabr.ru на русском
• post at excelsiorjet.com/blog in English

cypok

import java.util.Iterator;
import java.util.NoSuchElementException;

final class Tree<T> {

    private final T elem;
    private final Tree<T> parent;

    private Tree(T elem, Tree<T> parent) {
        this.elem = elem;

cypok

#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include <stdbool.h>

typedef enum eChildKind {
    LEFT,
    RIGHT,
} ChildKind;

cypok

if [[ -z "$1" ]]; then
  echo No input file
  exit
fi

input=$1
middle=`mktemp -t pdf_2on1`.pdf

if [[ -z "$2" ]]; then
  name="${input%.*}"

cypok

@echo OFF

REM watch is a GNU command-line tool that runs the specified command repeatedly
REM and displays the output on stdout so you can watch it change over time.
REM By default, the command is run every two seconds, although this is adjustable with the -n secs argument.

if x%1==x (call :usage %0 %* && exit /b 1)

if x%1==x-n (
  if x%2==x (call :usage %0 %* && exit /b 1)

cypok

for f in "$@"
do
  if [ "`GetFileInfo -ae "$f"`" == "0" ]
  then
    SetFile -a E "$f"
  else
    SetFile -a e "$f"
  fi
done

cypok

REM Usage example:
REM
REM    |  A  |  B  |
REM  --+-----+-----+
REM  1 | 111 | aaa |
REM  2 | 222 | bbb |
REM  3 | 222 | ccc |
REM  4 | 333 | ddd |
REM  5 | 333 | eee |

cypok

// Solution for http://haskell98.blogspot.ru/2014/10/blog-post_10.html
// Results at http://haskell98.blogspot.ru/2014/10/blog-post_20.html

#include <stdlib.h>
#include <stdio.h>
#include <stdbool.h>


typedef unsigned long long int bigint;