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How do you create a Distinct query in HQL
...ll just pull the data from the database to the memory with repetitions and all, and then discard the repetitions afterwards; depending on how often the data repeats, that can increase the I/O operations quite a lot.
– Haroldo_OK
Jan 21 '19 at 11:49
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Difference between Apache CXF and Axis
...ery 2 months), 6 fixpacks to 2.1.x, and now 3 for 2.2.x. Axis2 doesn't really "support" older versions. Unless a "critical" issue is hit, you may need to wait till the next big release (they average about every 9-10 months or so) to get fixes. (although, with either, you can grab the source code...
What is cardinality in MySQL?
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Max cardinality: All values are unique
Min cardinality: All values are the same
Some columns are called high-cardinality columns because they have constraints in place (like unique) prohibiting you from putting the same value in every row. ...
Install a Windows service using a Windows command prompt?
I want to install a Windows service using a Windows command prompt (not the Visual Studio command prompt).
18 Answers
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How to reset AUTO_INCREMENT in MySQL?
...MySQL AutoIncrement using a MAX value from another table? on how to dynamically get an acceptable value.
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Controlling mouse with Python
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Tested on WinXP, Python 2.6 (3.x also tested) after installing pywin32 (pywin32-214.win32-py2.6.exe in my case):
import win32api, win32con
def click(x,y):
win32api.SetCursorPos((x,y))
win32api.mouse_event(win32con.MOUSEEVENTF_LEFTDOWN,x,y,0,0)
win32api.mouse_event(win...
Replacing a fragment with another fragment inside activity group
...need to replace a fragment with another, you should have added them dynamically, first of all.
Note: R.id.fragment_container is a layout or container of your choice in the activity you are bringing the fragment to.
// Create new fragment and transaction
Fragment newFragment = new ExampleFragment(...
Why is setTimeout(fn, 0) sometimes useful?
...a rather nasty bug, wherein the code was loading a <select> dynamically via JavaScript. This dynamically loaded <select> had a pre-selected value. In IE6, we already had code to fix the selected <option> , because sometimes the <select> 's selectedIndex value would ...
presentViewController and displaying navigation bar
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It is true that if you present a view controller modally on the iPhone, it will always be presented full screen no matter how you present it on the top view controller of a navigation controller or any other way around. But you can always show the navigation bar with the follo...
How should one go about choosing a default TCP/IP port for a new service?
...d one go about selecting a default port? Assume that this app will be installed on many computers, and that avoiding port conflicts is desired.
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