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Generating random strings with T-SQL
... , @first varchar(8000)
declare @step bigint = rand(@seed) * 2147483647;
select @alpha = 'qwertyuiopasdfghjklzxcvbnm'
, @digit = '1234567890'
, @specials = '_@# '
select @first = @alpha + '_@';
set @seed = (rand((@seed+@step)%2147483647)*2147483647);
select...
Best practices around generating OAuth tokens?
...ones. All our token has first byte as version.
Use URL-safe version of Base64 to encode the BLOB so you don't have to deal with the URL-encoding issues, which makes debugging more difficult with OAuth signature, because you may see triple encoded basestring.
...
Bring a window to the front in WPF
...n method to System.Windows.Window. I've tested this on XP 32 bit and Win7 64 bit, both of which work correctly.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Interop;
using System.Runtime.InteropServices;
namespace System.Windows
{
...
Import pandas dataframe column as string not int
I would like to import the following csv as strings not as int64. Pandas read_csv automatically converts it to int64, but I need this column as string.
...
What is an anti-pattern?
...
64
Whenever I hear about Anti-patterns, I recollect another term viz. Design smell.
"Design smel...
How to resize a VirtualBox vmdk file
...e symlink path VBoxManage clonehd "~/path/to/symlink/packer-centos-6.5-x86_64-disk1.vmdk" "/media/k0pernikus/thatFatSlowDisk/cloned_packer-centos-6.5-x86_64-disk1.vdi" If you specfiy the real path, the command will crash due to VBoxManage: error: Cannot register the hard disk, as VBox thinks it's al...
Converting a Uniform Distribution to a Normal Distribution
...mber very close to zero. Most RNG do not, since they generate a (typically 64 bit) integer which is then mapped to [0,1]. This makes those methods unsuitable for sampling tails of gaussian variables (think of pricing low/high strike options in computational finance).
– Alexandr...
Open terminal here in Mac OS finder [closed]
...
Clarification (thanks @vgm64): if you're already in Terminal, this lets you quickly change to the topmost Finder window without leaving Terminal. This way, you can avoid using the mouse.
I've added the following to my .bash_profile so I can type cdff...
Multiple linear regression in Python
...5
Df Residuals: 19 BIC: 64.59
Df Model: 3
==============================================================================
coef std err t P>|t| ...
Is it possible to install iOS 6 SDK on Xcode 5?
...Another change I made, Build Setting > Architectures > standard (not 64) so list all the versions of Deployment Target
No need to download the zip if you only wanted to change the deployment target.
Here are some screenshots.
...