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The ALTER TABLE statement conflicted with the FOREIGN KEY constraint
...e problem was, so I'll give a layman's example. If you have a table named 'Orders' and a table named 'Customers', and you've deleted some old customers, but not their orders, you will get this error if you decide to make a foreign key from Orders.CustomerId to Customers.Id. Some orders don't have a...
Find and kill a process in one line using bash and regex
...lumn 2: awk '{print $2}'
sudo is optional
Run kill -9 5124, kill -9 5373 etc (kill -15 is more graceful but slightly slower)
Bonus:
I also have 2 shortcut functions defined in my .bash_profile
(~/.bash_profile is for osx, you have to see what works for your *nix machine).
p keyword
lists ...
Pelican 3.3 pelican-quickstart error “ValueError: unknown locale: UTF-8”
...hange to another Login user. So we need to change the file like:
sudo vi /etc/profile or sudo vi /etc/bashrc
And then add the two line in the following files
export LC_ALL="en_US.UTF-8"
export LANG="en_US.UTF-8"
Remember do not miss one of them, it doesn't work for me just $LANG or $LC_ALL. Af...
SQL update query using joins
...
UPDATE im
SET mf_item_number = gm.SKU --etc
FROM item_master im
JOIN group_master gm
ON im.sku = gm.sku
JOIN Manufacturer_Master mm
ON gm.ManufacturerID = mm.ManufacturerID
WHERE im.mf_item_number like 'STA%' AND
gm.manufacturerID = 34
To make it cl...
JQuery - $ is not defined
...orry, I thought this was a technique that you could use the scripts in any order. Yes I was using this in the body section in the MVC style. mycode.js then jQuery.js are the last 2 things on the page.
– Paul Totzke
Mar 23 '16 at 17:00
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split string only on first instance - java
...erminated by the end of the string. The substrings in the array are in the order in which they occur in this string. If the expression does not match any part of the input then the resulting array has just one element, namely this string.
The limit parameter controls the number of times the pa...
Javascript foreach loop on associative array object
...hat the Object.keys() function is available on modern browsers and in Node etc. That function returns the "own" keys of an object, as an array:
Object.keys(arr_jq_TabContents).forEach(function(key, index) {
console.log(this[key]);
}, arr_jq_TabContents);
The callback function passed to .forEach...
Differences between strong and weak in Objective-C
...se WEAK :
Use of Weak :-
1. Delegates
2. Outlets
3. Subviews
4. Controls, etc.
Use of Strong :-
Remaining everywhere which is not included in WEAK.
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What command means “do nothing” in a conditional in Bash?
...lternative, in your example case (but not necessarily everywhere) is to re-order your if/else:
if [ "$a" -le 5 ]; then
echo "1"
elif [ "$a" -lt 10 ]; then
echo "2"
fi
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LINQ where vs takewhile
...
The order of the sequence passed is absolutely critical with TakeWhile, which will terminate as soon as a predicate returns false, whereas Where will continue to evaluate the sequence beyond the first false value.
A common usage...