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How to find foreign key dependencies in SQL Server?
...hat can be used: https://docs.microsoft.com/en-us/sql/relational-databases/system-stored-procedures/sp-fkeys-transact-sql
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Why is unsigned integer overflow defined behavior but signed integer overflow isn't?
...types a special case.
Also note that there is an exception if any type is converted to a signed type and the old value can no longer be represented. The behavior is then merely implementation-defined, although a signal may be raised.
C11 6.3.1.3
6.3.1.3 Signed and unsigned integers
Whe...
How to prettyprint a JSON file?
...when I created this example image. It doesn't seem to be working now on my system as well.
– Shubham Chaudhary
Jan 30 '18 at 9:19
...
Calculating Pearson correlation and significance in Python
...n is defined on a 2xN matrix. There is no generally applicable method that converts two dictionaries into a 2xN matrix, but you might use the array of pairs of dictionary values corresponding to the keys of the intersection of the keys of your dictionaries.
– winerd
...
Sleeping in a batch file
... following sleep.py script and add it somewhere in your PATH:
import time, sys
time.sleep(float(sys.argv[1]))
It will allow sub-second pauses (for example, 1.5 sec, 0.1, etc.), should you have such a need. If you want to call it as sleep rather than sleep.py, then you can add the .PY extension to ...
Populating a ListView using an ArrayList?
.../let me assume that you are putting the values in this arraylist
//Now convert your arraylist to array
//You will get an exmaple here
//http://www.java-tips.org/java-se-tips/java.lang/how-to-convert-an-arraylist-into-an-array.html
private String arr[]=convert(arrlist);
@Overr...
What is the perfect counterpart in Python for “while not EOF”
....
You can do the same with the stdin (no need to use raw_input():
import sys
for line in sys.stdin:
do_something()
To complete the picture, binary reads can be done with:
from functools import partial
with open('somefile', 'rb') as openfileobject:
for chunk in iter(partial(openfileobj...
Automatically import modules when entering the python or ipython interpreter
...s .startup.py file
print("(.startup.py)")
import datetime, os, pprint, re, sys, time
print("(imported datetime, os, pprint, re, sys, time)")
pp = pprint.pprint
Then define PYTHONSTARTUP=~/.startup.py, and Python will use it when starting a shell.
The print statements are there so when I start th...
When would I need a SecureString in .NET?
...g a Chicken-and-Egg problem, so even though most current scenarios require converting them back into regular strings to make any use of them at all, their existence in the framework now means better support for them in the future - at least to a point where your program doesn't have to be the weak l...
优惠券批量生成及导入的思路 - 闲聊区 - 清泛IT论坛，有思想、有深度
... mt_rand(0, PHP_INT_MAX);
$m = base_convert($m, 10, 36); // 主随机
$n = base_convert($n, 10, 36); // 辅随机
$r = substr($m . $n, 0, 16);
} whi...