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DLL and LIB files - what and why?
... vital code required for a program to run properly - libraries. But why do compilers generate them at all? Wouldn't it be easier to just include all the code in a single executable? And what's the difference between DLL's and LIB's?
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What's an object file in C?
...on on what an object file is. What's the real difference between any other compiled file and an object file?
I would be glad if someone could explain in human language.
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Linq to Entities join vs groupjoin
...t a GroupJoin is? How is it different from a regular inner Join ? Is it commonly used? Is it only for method syntax? What about query syntax? A c# code example would be nice.
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What is the difference between CascadeType.REMOVE and orphanRemoval in JPA?
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How do I execute inserts and updates in an Alembic upgrade script?
...irly minimal, use those. If the migration requires relationships or other complex interactions, I prefer to use the full power of models and sessions as described below.
The following is an example migration script that sets up some declarative models that will be used to manipulate data in a sessi...
jQuery: Count number of list elements?
... this state the user can still add upto a max of 4 items, but 2 might have come from the previous state. :)
– Tom
Mar 3 '09 at 11:18
35
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What is “thread local storage” in Python, and why do I need it?
...ve.
If you want actual thread-local storage, that's where threading.local comes in. Attributes of threading.local are not shared between threads; each thread sees only the attributes it itself placed in there. If you're curious about its implementation, the source is in _threading_local.py in the s...
Unsupported major.minor version 52.0 [duplicate]
... The error regarding the unsupported major.minor version is because during compile time you are using a higher JDK and a lower JDK during runtime.
Thus, the 'major.minor version 52.0' error is possibly because the jar was compiled in JDK 1.8, but you are trying to run it using a JDK 1.7 environment....
How to determine if a number is a prime with regex?
...er than or equal to 2 that match the n-length string... meaning you have a composite n. So again, return the negation of the successful match: n is NOT prime.
If no match can be found, then you can't come up with a your product of two natural numbers greater than or equal to 2... and you have both ...
jQuery get value of select onChange
...() {
alert( this.value );
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<select>
<option value="1">One</option>
<option value="2">Two</option>
</select>
You can also reference wit...