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Create thumbnail image
...otateNoneFlipNone;
break;
}
return flipType;
}
//== convert image to base64
public string convertImageToBase64(Image image)
{
using (MemoryStream ms = new MemoryStream())
{
//convert the image to byte array
image.Save(ms, ImageFormat.Jpeg);
byte...
How to import module when module name has a '-' dash or hyphen in it?
...
Edit: If import is not your goal (as in: you don't care what happens with sys.modules, you don't need it to import itself), just getting all of the file's globals into your own scope, you can use execfile
# contents of foo-bar.py
baz = 'quux'
>>> execfile('foo-bar.py')
>>> ba...
How to convert UTF-8 byte[] to string?
... Well, good luck unpacking it if it has non-ascii. Just use Convert.ToBase64String.
– Erik Bergstedt
Dec 12 '15 at 10:30
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sh...
image processing to improve tesseract OCR accuracy
I've been using tesseract to convert documents into text. The quality of the documents ranges wildly, and I'm looking for tips on what sort of image processing might improve the results. I've noticed that text that is highly pixellated - for example that generated by fax machines - is especially di...
Clear file cache to repeat performance testing
...
Use SysInternal's RAMMap app.
The Empty / Empty Standby List menu option will clear the Windows file cache.
share
|
improve thi...
Reference alias (calculated in SELECT) in WHERE clause
...eld the exact same execution plan:
SELECT LEN(name) + column_id AS x
FROM sys.all_columns
WHERE LEN(name) + column_id > 30;
SELECT x FROM (
SELECT LEN(name) + column_id AS x
FROM sys.all_columns
) AS x
WHERE x > 30;
SELECT LEN(name) + column_id AS x
FROM sys.all_columns
WHERE column_id + LE...
Get int value from enum in C#
...num would be to make use of the GetTypeCode method in conjunction with the Convert class:
enum Sides {
Left, Right, Top, Bottom
}
Sides side = Sides.Bottom;
object val = Convert.ChangeType(side, side.GetTypeCode());
Console.WriteLine(val);
This should work regardless of the underlying integr...
Does .NET provide an easy way convert bytes to KB, MB, GB, etc.?
...our source data is something other than "bytes" and you need to be able to convert to anything...this is is the library you should be using.
– James Blake
Oct 17 '18 at 16:12
...
Is False == 0 and True == 1 an implementation detail or is it guaranteed by the language?
...and 1, respectively, in almost all contexts, the exception being that when converted to a string, the strings "False" or "True" are returned, respectively.
There is also, for Python 2:
In numeric contexts (for example when used as the argument to an arithmetic operator), they [False and True] ...
How can I combine multiple rows into a comma-delimited list in Oracle? [duplicate]
...
@JanM [Comment 2 of 2] Next, I try to convert it to a clob using RTRIM,XMLAGG,XMLELEMENT, and GETCLOBVAL(), which I then cast back to VARCHAR2. However, the run time for the query turns into hours rather than 15 minutes. Do you have any recommendations of other a...