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How does autowiring work in Spring?
... have only one instance of the bean, which is injected in multiple places. If you explicitly define the scope to be "prototype", then multiple instances will exist, possibly lazy (depending on configuration)
– Bozho
Jan 22 '13 at 11:23
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How to handle back button in activity
How to handle a back button in an activity? I have some buttons. If I click one of the button it's redirecting to the buttons which I required. It's working fine but When I press back button it gets finished.
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Favourite performance tuning tricks [closed]
...or example, comes with a host of performance monitoring / tuning bits, but if you don't have anything like that (and maybe even if you do) then I would consider the following...
99% of problems I have seen are caused by putting too many tables in a join. The fix for this is to do half the join (wi...
Failure [INSTALL_FAILED_ALREADY_EXISTS] when I tried to update my application
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If you install the application on your device via adb install you should look for the reinstall option which should be -r. So if you do adb install -r you should be able to install without uninstalling before.
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“Insert if not exists” statement in SQLite
... to insert values ( users_id , lessoninfo_id ) in table bookmarks , only if both do not exist before in a row.
4 Answers
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Differences between Line and Branch coverage
... code, not including comments, conditionals, etc). Branch coverages checks if you took the true and false branch for each conditional (if, while, for). You'll have twice as many branches as conditionals.
Why do you care? Consider the example:
public int getNameLength(boolean isCoolUser) {
User...
How to copy text programmatically in my Android app?
...ied", Toast.LENGTH_LONG).show();
– Shady Mohamed Sherif
Jan 11 '17 at 13:01
1
@AlaaM. I think thi...
Switching between Android Navigation Drawer image and Up caret when using fragments
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It's easy as 1-2-3.
If you want to achieve:
1) Drawer Indicator - when no fragments are in the Back Stack or the Drawer is opened
2) Arrow - when some Fragments are in the Back Stack
private FragmentManager.OnBackStackChangedListener
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Why does integer division in C# return an integer and not a float?
...division, in actual practice integer division is a very common operation. If you are assuming that people rarely use it, and that every time you do division you'll always need to remember to cast to floating points, you are mistaken.
First off, integer division is quite a bit faster, so if you onl...
How do I drag and drop files into an application?
...);
}
void Form1_DragEnter(object sender, DragEventArgs e) {
if (e.Data.GetDataPresent(DataFormats.FileDrop)) e.Effect = DragDropEffects.Copy;
}
void Form1_DragDrop(object sender, DragEventArgs e) {
string[] files = (string[])e.Data.GetData(DataFormats.FileDrop);
f...