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MyISAM versus InnoDB [closed]
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Also it might be helpful to know that MyISAM supports spatial index while InnoDB does not. And MyISAM do not seem to use foreign keys even though it doesn't prevent creating one.
– kriver
Sep 12 '12 at 14:59
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What is Full Text Search vs LIKE
...Document sets = {d1, d2, d3, d4, ... dn}
Term sets = {t1, t2, t3, .. tn}
Now term-document matrix (which term member of which document) can be represented as:
t1 -> {d1, d5, d9,.. dn}
t2 -> {d11, d50, d2,.. dn}
t3 -> {d23, d67, d34,.. dn}
:
tn -> {d90, d87, d57,.. dn}
When the req...
Calculating width from percent to pixel then minus by pixel in LESS CSS
...ck, dude! Thank you for those examples and explanations. Do you happen to know how I could divide an unkown width of a container (let's call it div.categories) into 4 equal parts, using LESS?
– Shawn Spencer
Feb 10 '15 at 19:13
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What is the difference between loose coupling and tight coupling in the object oriented paradigm?
...maintain a list of classes that inherit from 'Observer', without actually knowing the concrete type of those classes, this is an instance of loose coupling. The Subject doesn't depend on any of its Observers or their internal concerns. The observers don't depend on the Subject or any of its concerns...
Android Game Keeps Getting Hacked [closed]
So we've been through this several times now, we release a game (for cheap) and someone hacks it and puts it up on a mirror. We setup Google Alerts for all our apps, so we get told daily who's doing the hacking. So far, we have implemented the licensing service as Google has suggested, our salt is...
Best approach to remove time part of datetime in SQL Server
...imple-talk.com/sql/t-sql-programming/ten-common-sql-programming-mistakes/
Now, this does have an example of later SQL Server optimiser versions managing CAST to date correctly, but generally it will be a bad idea ...
Edit, Sep 2018, for datetime2
DECLARE @datetime2value datetime2 = '02180912 11:4...
Add unique constraint to combination of two columns
...able and, somehow, the same person got into my Person table twice. Right now, the primary key is just an autonumber but there are two other fields that exist that I want to force to be unique.
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How to cancel a pull request on github?
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GitHub now supports closing a pull request
Basically, you need to do the following steps:
Visit the pull request page
Click on the pull request
Click the "close pull request" button
Example (button on the very bottom):
This way t...
What is the “Execute Around” idiom?
... Java 7 added try-with-resource, and Java 8 added lambdas. I know this is an old question/answer but I wanted to point this out for anyone looking at this question five and a half years later. Both of these language tools will help solve the problem this pattern was invented to fix.
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Why should I avoid multiple inheritance in C++?
... : public GrandParent;
class Child : public Parent1, public Parent2;
You now have two "copies" of GrandParent within Child.
C++ has thought of this though and lets you do virtual inheritence to get around the issues.
class GrandParent;
class Parent1 : public virtual GrandParent;
class Parent2 : ...