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How to convert image to byte array
... using (var ms = new MemoryStream())
{
imageIn.Save(ms,imageIn.RawFormat);
return ms.ToArray();
}
}
C# Image to Byte Array and Byte Array to Image Converter Class
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improv...
How to add new column to MYSQL table?
... It's 2015 and people are still trying to set themselves up for sql injection vulnerabilities—:facepalm:
– CommandZ
Jul 8 '15 at 21:34
| ...
What's the difference between eval, exec, and compile?
...ession, and exec is used to execute dynamically generated Python code only for its side effects.
eval and exec have these two differences:
eval accepts only a single expression, exec can take a code block that has Python statements: loops, try: except:, class and function/method definitions and s...
how do you filter pandas dataframes by multiple columns
...
Using & operator, don't forget to wrap the sub-statements with ():
males = df[(df[Gender]=='Male') & (df[Year]==2014)]
To store your dataframes in a dict using a for loop:
from collections import defaultdict
dic={}
for g in ['male', 'female'...
When and why will a compiler initialise memory to 0xCD, 0xDD, etc. on malloc/free/new/delete?
...
A quick summary of what Microsoft's compilers use for various bits of unowned/uninitialized memory when compiled for debug mode (support may vary by compiler version):
Value Name Description
------ -------- -------------------------
0xCD Clean M...
JavaScript listener, “keypress” doesn't detect backspace?
...
KeyPress event is invoked only for character (printable) keys, KeyDown event is raised for all including nonprintable such as Control, Shift, Alt, BackSpace, etc.
UPDATE:
The keypress event is fired when a key is pressed down and that key normally p...
How do I output an ISO 8601 formatted string in JavaScript?
...g/en/Core_JavaScript_1.5_Reference:Global_Objects:Date:
/* Use a function for the exact format desired... */
function ISODateString(d) {
function pad(n) {return n<10 ? '0'+n : n}
return d.getUTCFullYear()+'-'
+ pad(d.getUTCMonth()+1)+'-'
+ pad(d.getUTCDate())+'T'
...
Strip spaces/tabs/newlines - python
...
Thanks for the solution - I think a minor correction is needed, it should be '+' instead of '*'.
– Sajad Karim
May 19 '19 at 20:47
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How to track untracked content?
See below the solid line for my original question.
13 Answers
13
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How do I get a raw, compiled SQL query from a SQLAlchemy expression?
... updated answer.
Quoting from the blog post, this is suggested and worked for me.
>>> from sqlalchemy.dialects import postgresql
>>> print str(q.statement.compile(dialect=postgresql.dialect()))
Where q is defined as:
>>> q = DBSession.query(model.Name).distinct(model....