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How can I determine installed SQL Server instances and their versions?
...ances Installed on a machine
DECLARE @GetInstances TABLE
( Value nvarchar(100),
InstanceNames nvarchar(100),
Data nvarchar(100))
Insert into @GetInstances
EXECUTE xp_regread
@rootkey = 'HKEY_LOCAL_MACHINE',
@key = 'SOFTWARE\Microsoft\Microsoft SQL Server',
@value_name = 'InstalledInstances...
Laravel Migration Change to Make a Column Nullable
... DB::statement('ALTER TABLE `pro_categories_langs` MODIFY `name` VARCHAR(100) NULL;');
break;
// Laravel 5, or Laravel 6
default:
Schema::table('pro_categories_langs', function(Blueprint $t) {
$t->string('name', 100)->nullable()->chang...
Open file dialog box in JavaScript
...th display: none. A better approach would be to use position: fixed; top: -100em.
<label>
Open file dialog
<input type="file" style="position: fixed; top: -100em">
</label>
If you prefer you can go the "correct way" by using for in the label pointing to the id of the inp...
HTML table with 100% width, with vertical scroll inside tbody [duplicate]
How can I set for <table> 100% width and put only inside <tbody> vertical scroll for some height?
13 Answer...
C/C++ maximum stack size of program
I want to do DFS on a 100 X 100 array. (Say elements of array represents graph nodes) So assuming worst case, depth of recursive function calls can go upto 10000 with each call taking upto say 20 bytes. So is it feasible means is there a possibility of stackoverflow?
...
Array.Copy vs Buffer.BlockCopy
...e the important points.
The Takeaways
If your buffer length is about 75-100 or less, an explicit loop copy routine is usually faster (by about 5%) than either Array.Copy() or Buffer.BlockCopy() for all 3 primitive types tested on both 32-bit and 64-bit machines. Additionly, the explicit loop copy...
WPF: Setting the Width (and Height) as a Percentage Value
...kElement;
textBlock.Margin = new Thickness(0, 0, (element.ActualWidth / 100) * 20, 0);
}
The textbox appears to be 80% size of it's parent (well right side margin is 20%) and stretches when needed.
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Make div stay at bottom of page's content all the time even when there are scrollbars
...as designed for:
#footer {
position: fixed;
bottom: 0;
width: 100%;
}
Here's the fiddle: http://jsfiddle.net/uw8f9/
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numpy: most efficient frequency counts for unique values in an array
...arison with scipy.stats.itemfreq:
In [4]: x = np.random.random_integers(0,100,1e6)
In [5]: %timeit unique, counts = np.unique(x, return_counts=True)
10 loops, best of 3: 31.5 ms per loop
In [6]: %timeit scipy.stats.itemfreq(x)
10 loops, best of 3: 170 ms per loop
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Rank items in an array using Python/NumPy, without sorting array twice
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