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Make WPF window draggable, no matter what element is clicked
... form from any control, you could probably use PreviewMouseDown, start a timer to begin the drag operation, and cancel the operation if the MouseUp event fires within X milliseconds.
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Split Python Flask app into multiple files
...rom flask import Flask
from AccountAPI import account_api
app = Flask(__name__)
app.register_blueprint(account_api)
@app.route("/")
def hello():
return "Hello World!"
if __name__ == "__main__":
app.run()
AccountAPI.py
from flask import Blueprint
account_api = Blueprint('account_api',...
How to update PATH variable permanently from Windows command line?
If I execute set PATH=%PATH%;C:\\Something\\bin from the command line ( cmd.exe ) and then execute echo %PATH% I see this string added to the PATH. If I close and open the command line, that new string is not in PATH.
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How to create and handle composite primary key in JPA
I want to have versions from the same data entry. In other words, I want to duplicate the entry with another version number.
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How to get highcharts dates in the x axis?
...way to get dates on the x-axis for Highcharts? Can't find it in their documentation: http://www.highcharts.com/ref/#xAxis--type
...
Why use a ReentrantLock if one can use synchronized(this)?
... need to use a block structure for locking and can even hold a lock across methods. An example:
private ReentrantLock lock;
public void foo() {
...
lock.lock();
...
}
public void bar() {
...
lock.unlock();
...
}
Such flow is impossible to represent via a single monitor in a synchroniz...
Define preprocessor macro through CMake?
...
For a long time, CMake had the add_definitions command for this purpose. However, recently the command has been superseded by a more fine grained approach (separate commands for compile definitions, include directories, and compiler optio...
How can I create a correlation matrix in R?
I have 92 set of data of same type.
5 Answers
5
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How can I upload files asynchronously?
...ploads with Ajax and jQuery. Not only that, you can do file validations (name, size, and MIME type) or handle the progress event with the HTML5 progress tag (or a div). Recently I had to make a file uploader, but I didn't want to use Flash nor Iframes or plugins and after some research I came up wit...
Package objects
...e wide import
// especially useful when wrapping a Java API
type DateTime = org.joda.time.DateTime
type JList[T] = java.util.List[T]
// Define implicits needed to effectively use your API:
implicit def a2b(a: A): B = // ...
}
Now the definitions inside that package object are availabl...