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Why don't they teach these things in school? [closed]
...unate enough to get into Google Summer of Code. I learned a lot (probably more than I've learned in the sum of all my university coursework). I'm really wondering why they don't teach a few of the things I learned sooner in school though. To name a few:
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Optimistic vs. Pessimistic locking
...XA allow a separate transaction identifier to be reticulated around one or more systems. This type of protocol does allow locks to be used through pooled connections as the transaction identifier is de-coupled from the sessions and supplied explicitly. However, this does incur some overhead and is...
Convert boolean to int in Java
...case where myBoolean stands for a boolean expression, using parenthesis is more readable.
– rsp
Sep 25 '10 at 12:33
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Mock vs MagicMock
... protocol methods and then all of those protocol methods
created a bunch more mocks and set them on their protocol methods,
you've got infinite recursion...
What if you want accessing your mock as a container object to be an
error -- you don't want that to work? If every mock has automati...
What is the claims in ASP .NET Identity
...ed on Role and Claim.
Role-Based Security
A user gets assigned to one or more roles through which the user gets access rights.
Also, by assigning a user to a role, the user immediately gets all the access rights defined for that role.
Claims-Based Security
A claims-based identity is the set of c...
How to use ADB Shell when Multiple Devices are connected? Fails with “error: more than one device an
...lator use adb -e shell or adb emu <command>. They'll fail if there's more than one emulator going and you'll have to fall back to -s
– Corey Ogburn
Jun 3 '16 at 20:23
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What is a good choice of database for a small .NET application? [closed]
... RavenDB is indeed a document database but it's API is much more powerfull than simple name and value pairs. Problem is that it's not free for commercial projects in case you were looking for free alternatives.
– JCallico
Jul 20 '11 at 1:36
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How many parameters are too many? [closed]
... A good rule-of-thumb is the number of CPU registers, because anymore and the compiler will be forced to allocate them on the stack.
– Michaelangel007
Mar 31 '16 at 14:10
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Get unique values from a list in python [duplicate]
..., you should look for an ordered set implementation (see this question for more).
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String concatenation: concat() vs “+” operator
...ion but a+=b will treat the original value of a as if it were null. Furthermore, the concat() method only accepts String values while the + operator will silently convert the argument to a String (using the toString() method for objects). So the concat() method is more strict in what it accepts.
To...