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JPA or JDBC, how are they different?
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edited Sep 26 '18 at 10:09
Matthias Braun
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Best practices for in-app database migration for Sqlite
...h this variable, you are free to use it however you please). It starts at 0, and you can get/set this variable with the following sqlite statements:
> PRAGMA user_version;
> PRAGMA user_version = 1;
When the app starts, I check the current user-version, apply any changes that are needed ...
How to show soft-keyboard when edittext is focused
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650
To force the soft keyboard to appear, you can use
EditText yourEditText= (EditText) findViewByI...
Inner text shadow with CSS
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105
Here's a little trick I discovered using the :before and :after pseudo-elements:
.depth {
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Swift make method parameter mutable?
...passing in a pointer.
func reduceToZero(_ x: inout Int) {
while (x != 0) {
x = x-1
}
}
var a = 3
reduceToZero(&a)
print(a) // will print '0'
This can be particularly useful in recursion.
Apple's inout declaration guidelines can be found here.
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How to sort an IEnumerable
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edited Sep 2 '10 at 20:11
answered Sep 2 '10 at 19:52
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Check if element is visible in DOM
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AlexZAlexZ
8,63733 gold badges2020 silver badges3838 bronze badges
6
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Do unix timestamps change across timezones?
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240
The definition of UNIX timestamp is timezone independent. The timestamp is the number of seconds...
How to position a table at the center of div horizontally & vertically
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280
Centering is one of the biggest issues in CSS. However, some tricks exist:
To center your table...
WPF: Setting the Width (and Height) as a Percentage Value
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answered Apr 4 '09 at 16:24
gcoresgcores
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