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How to use WinForms progress bar?
...ker. If you have a loop that large in your WinForm it will block and your app will look like it has hanged.
Look at BackgroundWorker.ReportProgress() to see how to report progress back to the UI thread.
For example:
private void Calculate(int i)
{
double pow = Math.Pow(i, i);
}
private void...
How do I connect to a MySQL Database in Python?
... fast to setup then use. It makes my day for small projects or stand alone apps, Where using big tools like SQLAlchemy or Django is overkill :
import peewee
from peewee import *
db = MySQLDatabase('jonhydb', user='john', passwd='megajonhy')
class Book(peewee.Model):
author = peewee.CharField(...
Java - JPA - @Version annotation
...sage triggers creation of an entity and there are multiple instances of an application listens to the message. I just want to avoid the unique constraint violation error..
– Manu
Jan 19 '16 at 6:28
...
Parsing IPv6 extension headers containing unknown extensions
...t least without in-band signaling and other hacks. That's excusable in an application protocol where you control both ends and only have to account for new versions of your app, but not in something designed to last for... hundreds of years?
– AdamIerymenko
Ju...
Converting bool to text in C++
...
not work in my app, "isExist: "+boost::lexical_cast<std::string>(isExit)); results isExist: 0
– Scott 混合理论
Jan 23 '14 at 4:01
...
PhoneGap Eclipse Issue - eglCodecCommon glUtilsParamSize: unknow param errors
...aused if you use the "Use host GPU" setting of the emulator and it will disappear after you uncheck this option. If you still need "Use host GPU", you can just filter out the errors by customizing the Logcat Filter. Enter ^(?!eglCodecCommon) into the "by Log Tag (regex)" field in order to strip out ...
How to delete all Annotations on a MKMapView
... all pins, add
the user location pin back, but there is a flaw with this approach, it
will cause the user location pin to blink on the map, due to removing
the pin then adding it back
- (void)removeAllPinsButUserLocation1
{
id userLocation = [mapView userLocation];
[mapView removeAn...
What is correct HTTP status code when redirecting to a login page?
...
@PHP_Jedi true. 303 may be more appropriate from that point of view. However, 302 is more reliable in terms of client compatibility.
– Pekka
May 15 '10 at 9:44
...
How can I convert my Java program to an .exe file? [closed]
...r
The Java Packager tool compiles, packages, and prepares Java and JavaFX applications for distribution. The javapackager command is the command-line version.
– Oracle's documentation
The javapackager utility ships with the JDK. It can generate .exe files with the -native exe flag, among many ot...
How to track down log4net problems
...how to tell what's going on on the inside. For example, I've got a console appender and a database appender in my project. I made a few changes to the database and the code, and now the database appender doesn't work anymore. I'll figure out why eventually, but it would help a lot if I could see wha...