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How can I get a java.io.InputStream from a java.lang.String?
... As of java7: new ByteArrayInputStream(str.getBytes(StandardCharsets.UTF_8))
– slow
Jan 17 '14 at 22:25
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Why compile Python code?
...ile a top level python source file into a .pyc file this way:
python -m py_compile myscript.py
This removes comments. It leaves docstrings intact. If you'd like to get rid of the docstrings as well (you might want to seriously think about why you're doing that) then compile this way instead...
p...
Scatterplot with too many points
...;- data.frame(x = rnorm(5000),y=rnorm(5000))
ggplot(df,aes(x=x,y=y)) + geom_point(alpha = 0.3)
Another convenient way to deal with this is (and probably more appropriate for the number of points you have) is hexagonal binning:
ggplot(df,aes(x=x,y=y)) + stat_binhex()
And there is also regula...
Examples of Algorithms which has O(1), O(n log n) and O(log n) complexities
...'ve been wondering what common algorithm uses n!?
– Y_Y
Jan 30 '14 at 22:00
Accessing a HashMap value as well as more ...
How do I get the last inserted ID of a MySQL table in PHP?
...ng PDO, use PDO::lastInsertId.
If you're using Mysqli, use mysqli::$insert_id.
If you're still using Mysql:
Please, don't use mysql_* functions in new code. They are no longer maintained and are officially deprecated. See the red box? Learn about prepared statements instead, and use PDO or MyS...
Send attachments with PHP Mail()?
...a convenient place in your project.
Include the main script file -- require_once('path/to/file/class.phpmailer.php');
Now, sending emails with attachments goes from being insanely difficult to incredibly easy:
use PHPMailer\PHPMailer\PHPMailer;
use PHPMailer\PHPMailer\Exception;
$email = new PHP...
C++应用程序添加VBScript和JavaScript支持 - C/C++ - 清泛网移动版 - 专注IT技能提升
...Data);
VARIANT GetAsVariant();
protected:
LPSAFEARRAY m_pSA;
private:
};
It provides the exact same features that you will want to use with SAFEARRAY object but its usage may be simpler for some of us (like me!). The function GetAsVariant may be useful in case when you...
C++应用程序添加VBScript和JavaScript支持 - C/C++ - 清泛网移动版 - 专注IT技能提升
...Data);
VARIANT GetAsVariant();
protected:
LPSAFEARRAY m_pSA;
private:
};
It provides the exact same features that you will want to use with SAFEARRAY object but its usage may be simpler for some of us (like me!). The function GetAsVariant may be useful in case when you...
C++应用程序添加VBScript和JavaScript支持 - C/C++ - 清泛网移动版 - 专注IT技能提升
...Data);
VARIANT GetAsVariant();
protected:
LPSAFEARRAY m_pSA;
private:
};
It provides the exact same features that you will want to use with SAFEARRAY object but its usage may be simpler for some of us (like me!). The function GetAsVariant may be useful in case when you...
C++应用程序添加VBScript和JavaScript支持 - C/C++ - 清泛网移动版 - 专注IT技能提升
...Data);
VARIANT GetAsVariant();
protected:
LPSAFEARRAY m_pSA;
private:
};
It provides the exact same features that you will want to use with SAFEARRAY object but its usage may be simpler for some of us (like me!). The function GetAsVariant may be useful in case when you...