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Moving from CVS to Git: $Id$ equivalent?
...t's say that packaged version was 2.2-12-g6c4ae7a (not a release, but a valid version).
You can now see exactly how far behind you are (4 commits), and you can see exactly which 4 commits:
# The RHS of the .. can be origin/master or empty, or whatever you want.
% git log --pretty=format:"%h %an %s...
Difference between EXISTS and IN in SQL?
...s keyword can be used in that way, but really it's intended as a way to avoid counting:
--this statement needs to check the entire table
select count(*) from [table] where ...
--this statement is true as soon as one match is found
exists ( select * from [table] where ... )
This is most useful ...
How to open the Google Play Store directly from my Android application?
... startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse("market://details?id=" + appPackageName)));
} catch (android.content.ActivityNotFoundException anfe) {
startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse("https://play.google.com/store/apps/details?id=" + appPackageName)));
}
We use ...
Why do I need to override the equals and hashCode methods in Java?
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Joshua Bloch says on Effective Java
You must override hashCode() in every class that overrides equals(). Failure to do so will result in a violation of the general contract for Object.hashCode(), which will prevent your class from functioning properly in conjunction with all...
Update a record without first querying?
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can you provide an example?
– Bart Calixto
May 23 '12 at 15:01
17
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Find object in list that has attribute equal to some value (that meets any condition)
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@agf Wow I literally had no idea that existed.. book.pythontips.com/en/latest/for_-_else.html cool!
– ThatTechGuy
Feb 4 '18 at 18:50
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Android and setting alpha for (image) view alpha
...e alternative is to use View.setAlpha(float) whose XML counterpart is android:alpha. It takes a range of 0.0 to 1.0 instead of 0 to 255. Use it e.g. like
<ImageView android:alpha="0.4">
However, the latter in available only since API level 11.
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Handling a colon in an element ID in a CSS selector [duplicate]
JSF is setting the ID of an input field to search_form:expression . I need to specify some styling on that element, but that colon looks like the beginning of a pseudo-element to the browser so it gets marked invalid and ignored. Is there anyway to escape the colon or something?
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How to delete all the rows in a table using Eloquent?
...del::truncate();
That drops all rows from the table without logging individual row deletions.
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Android: android.content.res.Resources$NotFoundException: String resource ID #0x5
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I am wondering why Android Studio does not advice you. I had the same problem setting an int value into TextView.setText for error.
– bheatcoker
Apr 22 '16 at 10:08
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