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What is an EJB, and what does it do?
...you place EJBs in general? I'd say they belong to Model layer, although I know many people who say they are controllers. If EJB contain business logic (you said they do), then they're model layer by definition.
– user107986
Sep 29 '15 at 20:43
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How to find my Subversion server version number?
I want to know if my server is running Subversion 1.5.
18 Answers
18
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Java synchronized static methods: lock on object or class
...intln(Thread.currentThread().getName() + " " + i);
}
}
}
So, now we can have following scenarios :
When threads using same Object tries to access objLock OR staticLock method same time (i.e. both threads are trying to access same method)
Thread-0 0
Thread-0 1
Thread-0 2
Thread-0 3
T...
Python: changing value in a tuple
...ume that the original poster is creating all of this from scratch doesn't know any better. More often we are dealing with output from another module or data source in a format or type that we cant control.
– rtphokie
Jan 6 '18 at 17:15
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Detect if device is iOS
...MacOS seems possible, so all answers below needs to take that into account now.
This might be the shortest alternative that also covers iOS 13:
function iOS() {
return [
'iPad Simulator',
'iPhone Simulator',
'iPod Simulator',
'iPad',
'iPhone',
'iPod'
].includes(navigator....
ADB Install Fails With INSTALL_FAILED_TEST_ONLY
...
I suspect that right now (Oct/Nov 2017) this is the correct answer for most people who get here. Before AS 3, the APK produced by "Run" was installable even outside of AS, no it is not.
– noamtm
Nov 9 '17 at...
Can git be integrated with Xcode?
.... You bring up DTerm in a floating window with a key combination. DTerm knows the full path to the current document in the editor.
For Example to run a diff on the file you are editing you:
1) Press Ctrl-Return to bring up the DTerm window. (This key combo is configurable).
2) type 'git diff c...
What is the best way to uninstall gems from a rails3 project?
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Bundler now has a bundle remove GEM_NAME command (since v1.17.0, 25 October 2018).
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event Action vs event EventHandler
... facing interface is the familiar += and -= operators we have all come to know and love : )
You can customize the code for the add/remove handlers by changing the scope of the FireNiceEvent delegate to protected. This now allows developers to add custom hooks to the hooks, such as logging or securi...
YouTube Video Embedded via iframe Ignoring z-index?
...ost), appending just ?wmode=transparent as a new query string to the URL.
Now, regardless of what may or may not be on the end of the YouTube URL as a query string already, it gets preserved, and the required wmode parameters get injected or added without damage to what was there before.
Here's th...