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Connecting to remote URL which requires authentication using Java
... = username + ":" + password;
String basicAuth = "Basic " + new String(Base64.getEncoder().encode(userpass.getBytes()));
uc.setRequestProperty ("Authorization", basicAuth);
InputStream in = uc.getInputStream();
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How long is the SHA256 hash?
...each character (instead of 8, like for ASCII), so 256 bits would represent 64 hex characters, therefore you need a varchar(64), or even a char(64), as the length is always the same, not varying at all.
And the demo :
$hash = hash('sha256', 'hello, world!');
var_dump($hash);
Will give you :
$ ph...
What does the C++ standard state the size of int, long type to be?
...c C++ types.
I know that it depends on the architecture (16 bits, 32 bits, 64 bits) and the compiler.
24 Answers
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oracle10g 网址收藏 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...Release 2 (10.2.0.1.0) Enterprise/Standard Edition for Microsoft Windows (x64)
http://download.oracle.com/otn/nt/oracle10g/10201/102010_win64_x64_database.zip
http://download.oracle.com/otn/nt/oracle10g/10201/102010_win64_x64_client.zip
http://download.oracle.com/otn/nt/oracle10g/10201/10201...
oracle10g 网址收藏 - ORACLE - 清泛IT论坛，有思想、有深度
...Release 2 (10.2.0.1.0) Enterprise/Standard Edition for Microsoft Windows (x64)
http://download.oracle.com/otn/nt/oracle10g/10201/102010_win64_x64_database.zip
http://download.oracle.com/otn/nt/oracle10g/10201/102010_win64_x64_client.zip
http://download.oracle.com/otn/nt/oracle10g/10201/102010_win...
What is the difference between an int and a long in C++?
...der Windows they are the same, but for example on Alpha systems a long was 64 bits whereas an int was 32 bits. This article covers the rules for the Intel C++ compiler on variable platforms. To summarize:
OS arch size
Windows IA-32 4 bytes
Windows Intel 64...
Unable to load DLL 'SQLite.Interop.dll'
...copies all the Sqlite dll-s except the 'SQLite.Interop.dll' (both x86 and x64 folder).
The solution was very simple: just add the Sqlite.Core package as a dependency (with NuGet) to the project you are building/running and the dll-s will be copied.
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Convert a list of data frames into one data frame
... 100 0.11 1.000
1 do.call 100 9.39 85.364
2 plyr_rbind.fill 100 12.08 109.818
3 plyr_ldply 100 15.14 137.636
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只有程序员能看懂的笑话 - 轻松一刻 - 清泛网 - 专注C/C++及内核技术
...序员钓鱼，其中一个钓到一条美人鱼，这个美人鱼上半身是美女，下半身是鱼，于是这个程序员 就吧她放了，另一个问他：Why，他回答说：没有API。
某程序员退休后决定练习书法，于是重金购买文房四宝。一日，饭后突生...
MFC CEdit控件自绘、MFC圆角输入框 - C/C++ - 清泛网 - 专注C/C++及内核技术
...决方案：重载CEdit，处理=WM_CTLCOLOR + WM_NCPAINT强调=WM_CTLCOLOR是消息反射的，是WM_NCPAINT而不是WM_PAINT！完整代码...先看效果图：
解决方案：重载CEdit，处理“=WM_CTLCOLOR” + “WM_NCPAINT”
强调“= WM_CTLCOLOR”是消息反射的，是WM_NCPAIN...