zeayes

#!/bin/bash

# 对第三列求和
awk -F "," '{sum+=$3} END {print sum}' test.csv

# 对第三列匹配求和
awk -F "," ' $3 ~ /^CG/ {sum+=$5} END { print sum}' test.csv


# git clone

zeayes

• 下载

wget --no-check-certificate https://pypi.python.org/packages/source/s/supervisor/supervisor-3.0.tar.gz

• 安装

tar xzf supervisor-3.0.tar.gz && cd supervisor-3.0
python setup.py install

zeayes

package main

import (
    "fmt"
    "time"
    "strconv"
    "strings"
    "io/ioutil"
    "net/http"
    "net/url"

zeayes

# -*- coding: utf-8 -*-

MAX_TAX = 500
MAX_PRICE = 1000

class Item(object):

    """商品类"""

    def __init__(self, price, tax_rate, category):

zeayes

ffmpeg -loglevel debug -report -i recordUnity3D.mov -acodec libfaac -b:a 128k -vcodec libx264 -b:v 1200k -r 24 -flags +aic+mv4 -pix_fmt yuv420p -threads 0 -y output.mp4
ffmpeg started on 2014-09-13 at 23:11:04
Report written to "ffmpeg-20140913-231104.log"
ffmpeg version 2.3.2 Copyright (c) 2000-2014 the FFmpeg developers
  built on Aug 14 2014 07:21:22 with Apple LLVM version 5.1 (clang-503.0.40) (based on LLVM 3.4svn)
  configuration: --prefix=/usr/local/Cellar/ffmpeg/2.3.2 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-nonfree --enable-hardcoded-tables --enable-avresample --enable-vda --cc=clang --host-cflags= --host-ldflags= --enable-libx264 --enable-libfaac --enable-libmp3lame --enable-libxvid
  libavutil      52. 92.100 / 52. 92.100
  libavcodec     55. 69.100 / 55. 69.100
  libavformat    55. 48.100 / 55. 48.100
  libavdevice    55. 13.102 / 55. 13.102

zeayes

#import <Foundation/Foundation.h>

int main(int argc, const char *argv[]) {
    @autoreleasepool {
        NSError *error;
        NSURL *url = [NSURL URLWithString: @"http://127.0.0.1:6100/user/10167/profile/"];
        NSURLRequest *request = [[NSURLRequest alloc] initWithURL:url
                                                      cachePolicy:NSURLRequestUseProtocolCachePolicy
                                                  timeoutInterval: 10];
        NSData *received = [NSURLConnection sendSynchronousRequest:request

zeayes

#import <Foundation/Foundation.h>

int main(int argc, const char *argv[]) {

    @autoreleasepool {
        // formatter datetime
        NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
        NSLocale *locale = [[NSLocale alloc] initWithLocaleIdentifier:@"en_us"];
        [formatter setLocale:locale];
        [formatter setDateFormat:@"yyyy-MM-dd HH:mm:ss"];

zeayes

#import <Foundation/Foundation.h>

int main(int argc, const char *argv[]) {
    @autoreleasepool {
        NSArray *people = @[
            @{@"name": @"John", @"age": @23, @"gender": @YES},
            @{@"name": @"Tom", @"age": @25, @"gender": @YES},
            @{@"name": @"Lucy", @"age": @20, @"gender": @NO},
        ];
        if ([NSJSONSerialization isValidJSONObject:people]) {

zeayes

#import <Foundation/Foundation.h>

@interface Person : NSObject

@property NSString *firstName;
@property NSString *lastName;
@property NSNumber *age;

@end

zeayes

#import <Foundation/Foundation.h>

@interface Square : NSObject
{
    float area;
}

- (void)calculateAreaOfSide: (CGFloat)side;
- (void)printArea;
@end