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Differences between dependencyManagement and dependencies in Maven
... Your example is quite clear, and reaffirms what I had grokked on my own from the documentation. Have you submitted it to the Maven project? Having studied your example, I am preparing to simplify a POM that has both, and needs only Dependency declarations, since the project with which it is assoc...
Sending multipart/formdata with jQuery.ajax
...ontent-Type header for you, otherwise, the boundary string will be missing from it.
Also, you must leave the processData flag set to false, otherwise, jQuery will try to convert your FormData into a string, which will fail.
You may now retrieve the file in PHP using:
$_FILES['file-0']
(There is ...
Effects of the extern keyword on C functions
...s something declared in foo.c when it's linked, and foo.c needs a function from bar.c when it's linked.
By using 'extern', you are telling the compiler that whatever follows it will be found (non-static) at link time; don't reserve anything for it in the current pass since it will be encountered la...
How to delete all the rows in a table using Eloquent?
...his works for Laravel 4 and 5:
MyModel::truncate();
That drops all rows from the table without logging individual row deletions.
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Flask-SQLalchemy update a row's information
...odel. Pickled attributes should be replaced in order to trigger updates:
from flask import Flask
from flask.ext.sqlalchemy import SQLAlchemy
from pprint import pprint
app = Flask(__name__)
app.config['SQLALCHEMY_DATABASE_URI'] = 'sqllite:////tmp/users.db'
db = SQLAlchemy(app)
class User(db.Mode...
Git merge two local branches
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The answer from the Abiraman was absolutely correct. However, for newbies to git, they might forget to pull the repository. Whenever you want to do a merge from branchB into branchA.
First checkout and take pull from branchB (Make sure ...
How can I get a file's size in C? [duplicate]
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From fseek documentation "Library implementations are allowed to not meaningfully support SEEK_END (therefore, code using it has no real standard portability)."
– Mika Haarahiltunen
Sep ...
Avoiding instanceof in Java
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You might be interested in this entry from Steve Yegge's Amazon blog: "when polymorphism fails". Essentially he's addressing cases like this, when polymorphism causes more trouble than it solves.
The issue is that to use polymorphism you have to make the logic ...
Does Java have a complete enum for HTTP response codes?
... for all of the valid HTTP response codes. It should support conversion to/from the corresponding integer values.
11 Answer...
Disable hover effects on mobile browsers
I'm writing a Web site that's meant to be used from both desktops and tablets. When it's being visited from a desktop, I want the clickable areas of the screen to light up with :hover effects (different background color, etc.) With a tablet, there's no mouse, so I don't want any hover effects.
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