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MySQL foreign key constraints, cascade delete
...ade any farther and will not take out the 'boots' and 'coats' categories.
comment followup:
you're still misunderstanding how cascaded deletes work. They only affect the tables in which the "on delete cascade" is defined. In this case, the cascade is set in the "categories_products" table. If you ...
Git: updating remote branch information
...-d -r remote_name/branch_name
you only remove your local checkout. This command doesn't do anything to the remote repository, which is why it still shows up.
Solution:
git push origin :branch_name
will remove the the remote branch (note the ':'), and
git branch -d branch_name
will remove y...
Why does Assert.AreEqual(T obj1, Tobj2) fail with identical byte arrays
...and, since they are different objects, they are not equal. You'll want to compare each byte in the array and verify that they are equal. One way to do this is convert them to something that implements ICollection and use CollectionAssert.AreEqual() instead.
...
WAMP shows error 'MSVCR100.dll' is missing when install
...ual Studio 2012 Update 4
You can download it at:
https://www.microsoft.com/en-us/download/details.aspx?id=30679
There you can select the x86 or x64 version depending on your system
This article on the WampServer forums shows all the Microsoft Visual C++ runtime libraries you need to have ins...
SVN how to resolve new tree conflicts when file is added on two branches
...e.
This should be a tree conflict on the file of the 'local obstruction, incoming add upon merge' variety. Fixed expectations in r35341.
(This is also called "evil twins" in ClearCase by the way):
a file is created twice (here "added" twice) in two different branches, creating two different histori...
how to write setTimeout with params by Coffeescript
...
I think it's a useful convention for callbacks to come as the last argument to a function. This is usually the case with the Node.js API, for instance. So with that in mind:
delay = (ms, func) -> setTimeout func, ms
delay 1000, -> something param
Granted, this adds...
How to check if a variable is a dictionary in Python?
...implements that. (It's a bit ironic that you criticize @Alexander Ryzhov's comment for being too general but now raise a general case)
– cowbert
Jul 14 '18 at 16:17
1
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What is the explicit promise construction antipattern and how do I avoid it?
...tipattern (now explicit-construction anti-pattern) coined by Esailija is a common anti-pattern people who are new to promises make, I've made it myself when I first used promises. The problem with the above code is that is fails to utilize the fact that promises chain.
Promises can chain with .then...
runOnUiThread in fragment
...will happen when the fragment has been detached from the activity. This is common in async tasks, because the activity could have been destroyed during the long running operation, so it no longer exists to get. Always check for null first.
– bclymer
Apr 27 '16 ...
Rollback to last git commit
...
Caveat Emptor - Destructive commands ahead.
Mitigation - git reflog can save you if you need it.
1) UNDO local file changes and KEEP your last commit
git reset --hard
2) UNDO local file changes and REMOVE your last commit
git reset --hard HEAD^
...