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Retrieve version from maven pom.xml in code
...tion, or even arbitrary properties you put in your pom <properties>, etc. Resource filtering, combined with Maven profiles, can give you variable build behavior at build time. When you specify a profile at runtime with -PmyProfile, that can enable properties that then can show up in your bui...
Meaning of Open hashing and Closed hashing
...ucket is independent, and has some sort of ADT (list, binary search trees, etc) of entries with the same index.
In a good hash table, each bucket has zero or one entries, because we need operations of order O(1) for insert, search, etc.
This is a example of separate chaining using C++ with a simpl...
Android Fragments: When to use hide/show or add/remove/replace?
...l go through all of the teardown events in the lifecycle (onPause, onStop, etc) and if for some reason you need that fragment again you would have to insert it back into the container and let it run through all of its initialization again.
If there is a high probability that you will need that fra...
How do you log server errors on django sites
...hatever type of logging you'd like: writing to console, writing to a file, etc., etc.
Edit: though it's a bit less useful, you can also listen for the got_request_exception signal, which will be sent whenever an exception is encountered during request processing:
http://docs.djangoproject.com/en/d...
What is a mixin, and why are they useful?
...rMixin, Parent): pass and class NewChildN(NewBehaviorMixin, ChildN): pass, etc. (PS: Do you know a better way?)
– RayLuo
Oct 18 '16 at 0:57
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Deleting elements from std::set while iterating
... depending on your compiler, your operating system, the phase of the moon, etc.
If something executes without crashing and behaves as you expect it to, that is not proof that it is not undefined behavior. All it proves is that its behavior happened to be as observed for that particular run after co...
Should I always return IEnumerable instead of IList?
...nderlying collection without fearing this will get it erroneously changed, etc?
Only you can answer this question, and only by understanding well what your callers will want to do with the return value, and how important performance is here (how big are the collections you would be copying, how lik...
What does enumerable mean?
..., "valueOf", "hasOwnProperty", "isPrototypeOf", "propertyIsEnumerable", /* etc. */]
Each of these properties still exists on the object:
console.log('constructor' in foo); // true
console.log('toString' in foo); // true
// etc.
But, they're skipped by the for..in loop because they aren't enu...
Why should you use an ORM? [closed]
...ng to its discriminator.
Another type of query would be one that eagerly fetches an object and one or more related objects or collections in a single database call. e.g. Each shape object is returned with its vertex and side collections populated.
I'm sorry to disagree with so many others here, b...
.gitignore for Visual Studio Projects and Solutions
...ich allow you to generate .gitignore file based on your OS, IDE, language, etc. Take a look at http://www.gitignore.io/.
On 8/20/2014, here's the file that is generated for Visual Studio + Windows.
# Created by http://www.gitignore.io
### VisualStudio ###
## Ignore Visual Studio temporary files...