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Can you create nested WITH clauses for Common Table Expressions?
...s a recursive query:
WITH y
AS
(
SELECT x, y, z
FROM MyTable
WHERE [base_condition]
UNION ALL
SELECT x, y, z
FROM MyTable M
INNER JOIN y ON M.[some_other_condition] = y.[some_other_condition]
)
SELECT *
FROM y
You may not need this functionality. I've done the following just to o...
Referencing system.management.automation.dll in Visual Studio
...
I've installed the SDK on 2 different 64-bit machines (with difficulty) and found the version 6.2.8229.0, 4.66MB dll on only 1, and only in c:\program files (x86)\reference assemblies\microsoft\windowspowershell\v1.0. I highly recommend editing the .csproj file,...
What does the restrict keyword mean in C++?
... *b
add R2 += R1
set R2 → *b
Does GCC really do it?
g++ 4.8 Linux x86-64:
g++ -g -std=gnu++98 -O0 -c main.cpp
objdump -S main.o
With -O0, they are the same.
With -O3:
void f(int *a, int *b, int *x) {
*a += *x;
0: 8b 02 mov (%rdx),%eax
2: 01 07 ...
What is the closest thing Windows has to fork()?
...ng Windows 9x users. However, two
attempts to use ZwCreateProcess on NT-based systems failed for one
reason or another.
It would be really nice if this stuff would be better or at all
documented, especially a couple of datastructures and how to connect a
process to a subsystem. While ...
Regex - how to match everything except a particular pattern
...igits, B is digits within <a tag
The regex: <a.*?<\/a>|(\d+)
Demo (look at Group 1 in the lower right pane)
Reference
How to match pattern except in situations s1, s2, s3
How to match a pattern unless...
s...
Add Bootstrap Glyphicon to Input Box
.../div>
</form>
DEMO : http://jsfiddle.net/LS2Ek/1/
This demo is based on an example in Bootstrap docs. Scroll down to "With Optional Icons" here http://getbootstrap.com/css/#forms-control-validation
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Convert string in base64 to image and save on filesystem in Python
I have a string in base64 format, which represents PNG image. Is there a way to save this image to the filesystem, as a PNG file?
...
Using the HTML5 “required” attribute for a group of checkboxes?
...d').length > 0
which returns true if at least one element is checked.
Based on that, you can implement your validation check.
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How do I detect if Python is running as a 64-bit application? [duplicate]
... windows registry. Depending on whether you're running python as 32-bit or 64-bit, the key value will be different. How do I detect if Python is running as a 64-bit application as opposed to a 32-bit application?
...
Using jquery to get element's position relative to viewport
... to be combined with scrollTop and scrollLeft as shown in this diagram:
Demo:
function getViewportOffset($e) {
var $window = $(window),
scrollLeft = $window.scrollLeft(),
scrollTop = $window.scrollTop(),
offset = $e.offset(),
rect1 = { x1: scrollLeft, y1: scrollTop, x2...