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Drawing a line/path on Google Maps
...;hl=en&saddr="
+ srcPlace + "&daddr=" + destPlace
+ "&ie=UTF8&0&om=0&output=kml";
Log.d("URL", urlString);
Document doc = null;
HttpURLConnection urlConnection = null;
URL url = null;
String pathConent = "";
try {
url = new URL(urlString.toString());
...
lua和c/c++互相调用实例分析 - C/C++ - 清泛网 - 专注C/C++及内核技术
...建lua运行上下文
lua_State* luaL_newstate(void) ;
//加载lua脚本文件
int luaL_loadfile(lua_State *L, const char *filename);
lua和c/c++的数据交互通过"栈"进行 ,操作数据时，首先将数据拷贝到"栈"上，然后获取数据，栈中的每个数据通过索引值进...
Why shouldn't I use mysql_* functions in PHP?
... PDO MySQL DSN.
$db = new PDO('mysql:host=localhost;dbname=testdb;charset=utf8', 'username', 'password');
Note: you can also use charset=UTF-8, but sometimes it causes an error, so it's better to use utf8.
If there is any connection error, it will throw a PDOException object that can be caught t...
Connect Java to a MySQL database
...o let's use UTF-8 as well.
CREATE DATABASE javabase DEFAULT CHARACTER SET utf8 COLLATE utf8_unicode_ci;
Create an user for Java and grant it access. Simply because using root is a bad practice.
CREATE USER 'java'@'localhost' IDENTIFIED BY 'password';
GRANT ALL ON javabase.* TO 'java'@'localhost' ...
How to upgrade PostgreSQL from version 9.6 to version 10.1 without losing data?
...ist
Initialize a new 10.1 database:
initdb /usr/local/var/postgres10.1 -E utf8
run pg_upgrade (note: change bin version if you're upgrading from something other than below):
pg_upgrade -v \
-d /usr/local/var/postgres \
-D /usr/local/var/postgres10.1 \
-b /usr/local/Cellar/postgresql/9....
demystify Flask app.secret_key
...et string of bytes
>>> SECRET_KEY = 'my super secret key'.encode('utf8')
( 2 ) create a cookie
>>> cookie = make_cookie(
... name='_profile',
... content='uid=382|membership=regular',
... ...
... expires='July 1 2030...'
... )
>>> print(cookie)
name: _...
What is Java String interning?
...ve on the constant pool:
#2 = String #32 // abc
[...]
#32 = Utf8 abc
and main:
0: ldc #2 // String abc
2: astore_1
3: ldc #2 // String abc
5: astore_2
6: new #3 // class java/lang/String
9: dup
10: ldc ...
译文：理解Java中的弱引用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...强引用可能带来的问题就是缓存,尤其是像图片这样的大文件的缓存。假设你有一个程序需要处理用户提供的图片，通常的做法就是做图片数据缓存，因为从磁盘加载图片代价很大，并且同时我们也想避免在内存中同时存在两份...
What is the difference between encode/decode?
...e @J.F.Sebastian in python3 I guess you would do: print u'\\u0203'.encode('utf8').decode('unicode-escape')
– AJP
Mar 27 '14 at 11:54
...
国际 C 语言混乱代码大赛结果 - 创意 - 清泛网 - 专注C/C++及内核技术
...了一个无整数的 MD5 程序，Don Yang 写了一个有海星图案的文本编码器。侯应该是第 4 回获奖了，Don Yang 应是第 7 回。
虽然主办方目前还没有公布这次比赛的源码，但可以围观他俩之前的作品。
Best self documenting program (2011/hou/hou...