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What is the difference between UTF-8 and ISO-8859-1?
What is the difference between UTF-8 and ISO-8859-1 ?
8 Answers
8
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Google Guava isNullOrEmpty for collections
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No, this method does not exist in Guava and is in fact in our "idea graveyard."
We don't believe that "is null or empty" is a question you ever really want to be asking about a collection.
If a collection might be null, and null should be treated the same as empt...
When should one use RxJava Observable and when simple Callback on Android?
...e getUserPhoto example:
RxJava:
api.getUserPhoto(photoId)
.observeOn(AndroidSchedulers.mainThread())
.subscribe(new Action1<Photo>() {
@Override
public void call(Photo photo) {
// do some stuff with your photo
}
});
Callback:...
How do I clear a search box with an 'x' in bootstrap 3?
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To get something like this
with Bootstrap 3 and Jquery use the following HTML code:
<div class="btn-group">
<input id="searchinput" type="search" class="form-control">
<span id="searchclear" class="glyphicon glyphicon-remove-circle"></span>...
PHP exec() vs system() vs passthru()
...hey have slightly different purposes.
exec() is for calling a system command, and perhaps dealing with the output yourself.
system() is for executing a system command and immediately displaying the output - presumably text.
passthru() is for executing a system command which you wish the raw re...
Difference between “include” and “require” in php
... tiposaurus.co.uk/2011/04/04/… "The key difference between require() and include() is that if you require() a file that can't be loaded (eg if it isn't there) then it generates a fatal error which will halt the execution of the page completely, and no more output will be generated. On the othe...
What is your naming convention for stored procedures? [closed]
...or example i now have to search 50 odd Add procedures for the Product add, and 50 odd for the Get etc.
Because of this in my new application I'm planning on grouping procedure names by object, I'm also dropping the usp as I feel it is somewhat redundant, other than to tell me its a procedure, somet...
How do I convert between big-endian and little-endian values in C++?
How do I convert between big-endian and little-endian values in C++?
31 Answers
31
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What's the difference between @JoinColumn and mappedBy when using a JPA @OneToMany association
...indicates that the entity in this side is the inverse of the relationship, and the owner resides in the "other" entity. This also means that you can access the other table from the class which you've annotated with "mappedBy" (fully bidirectional relationship).
In particular, for the code in the qu...
Semaphore vs. Monitors - what's the difference?
What are the major differences between a Monitor and a Semaphore ?
6 Answers
6
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