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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());
...
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...
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...
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' ...
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: _...
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....
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 ...
MFC CString::Format()函数详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...换成字符串！不过今天我想将磁盘空间使用率输出到静态文本进行显示，需要用到指定数据精度，这已经超出以前我对Format的了解了！也让我想要学习Format的完整功能！
下面是我对我从网上收集到的资料的整理：
函数声明
fun...
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
...
Accessing an SQLite Database in Swift
...t:OpaquePointer? = nil
let strExec=str.cString(using: String.Encoding.utf8)
if (sqlite3_open(DBpath, &db)==SQLITE_OK)
{
if (sqlite3_prepare_v2(db, strExec! , -1, &stmt, nil) == SQLITE_OK)
{
if (sqlite3_step(stmt) == SQLITE_DONE)
{
...