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Creating your own header file in C
...
foo.h
#ifndef FOO_H_ /* Include guard */
#define FOO_H_
int foo(int x); /* An example function declaration */
#endif // FOO_H_
foo.c
#include "foo.h" /* Include the header (not strictly necessary here) */
int foo(int x) /* Functi...
How to install therubyracer gem on 10.10 Yosemite?
...all
bundle exec rake clean build binary
gem install pkg/libv8-3.16.14.3-x86_64-darwin-12.gem #note that libv8 version may change, so tab through files in pkg/, also remember to use the one with version specified
then just bundle your project gems
this is the only way it worked for me on 10.10 (ru...
Python memory usage of numpy arrays
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b.__sizeof__() is equivalent to sys.getsizeof(b)
– palash
Feb 27 at 7:02
1
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Android: View.setID(int id) programmatically - how to avoid ID conflicts?
...same id number in the same hierarchy, then a call to findViewById([repeated_id]) would return the first view set with that one repeated id. That's what I meant.
– kaneda
Jun 19 '13 at 23:33
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Primary key or Unique index?
.... Example:
CREATE TABLE table1 (foo int, bar int);
CREATE UNIQUE INDEX ux_table1_foo ON table1(foo); -- Create unique index on foo.
INSERT INTO table1 (foo, bar) VALUES (1, 2); -- OK
INSERT INTO table1 (foo, bar) VALUES (2, 2); -- OK
INSERT INTO table1 (foo, bar) VALUES (3, 1); -- OK
INSERT INTO...
How to get object length [duplicate]
...ize method, as well as a toArray method, which may get you what you need.
_.size({one : 1, two : 2, three : 3});
=> 3
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C++ Dynamic Shared Library on Linux
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myclass.h
#ifndef __MYCLASS_H__
#define __MYCLASS_H__
class MyClass
{
public:
MyClass();
/* use virtual otherwise linker will try to perform static linkage */
virtual void DoSomething();
private:
int x;
};
#endif
myclass.cc
#inc...
Linux环境离线安装docker&docker-compose - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
Linux环境离线安装docker&docker-composelinux_docker_install一、docker离线安装1、下载docker离线安装包下载最新版本的 docker （或者选择自己想要安装的版本）到本地。1）docker下载地址：Docker版本下载 ||Docker-compose版本下载备注...
一、docker...
How to open a new tab using Selenium WebDriver?
...er.for :firefox
driver.get('http://stackoverflow.com/')
body = driver.find_element(:tag_name => 'body')
body.send_keys(:control, 't')
driver.quit
Python
from selenium import webdriver
from selenium.webdriver.common.keys import Keys
driver = webdriver.Firefox()
driver.get("http://stackoverfl...
Why is GHC so large/big?
...njdk/jdk7) vs GHC 7 source bundle, which is 23 MB (haskell.org/ghc/download_ghc_7_0_1). GHC is not big here. Runtime size: openjdk-6-jre-headless on Ubuntu is 77 MB uncompressed vs Haskell helloworld, statically linked with its runtime, which is <1 MB. GHC is not big here.
Where GHC is big, is t...