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change text of button and disable button in iOS
...tton *button = …;
[button setEnabled:NO]; // disables
[button setTitle:@"Foo" forState:UIControlStateNormal]; // sets text
See the documentation for UIButton.
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Argparse: Way to include default values in '--help'?
Suppose I have the following argparse snippet:
3 Answers
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log4j configuration via JVM argument(s)?
...lass instead of the properties or xml file.
-Dlog4j.configuratorClass=com.foo.BarConfigurator
See http://logging.apache.org/log4j/1.2/manual.html for details.
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Autoincrement VersionCode with gradle extra properties
I'm building an Android app with gradle. Until now I used the Manifest file to increase the versionCode, but I would like to read the versionCode from an external file and depending if it is the release flavor or the debug flavor increase the versionCode. I tried the extra properties, but you can't ...
Sqlite primary key on multiple columns
...good practice for
all multi-column primary keys in any DBMS.
create table foo
(
fooint integer not null
,foobar string not null
,fooval real
,primary key (fooint, foobar)
)
;
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facebook: permanent Page Access Token?
...ok pages as one of its data sources. It imports some data from it periodically with no GUI involved. Then we use a web app to show the data we already have.
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How does JavaScript .prototype work?
...s Parent.prototype.
Finally, if you create a new object via Object.create(foo), the resulting object's [[Prototype]] will be set to foo.
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What is a serialVersionUID and why should I use it?
Eclipse issues warnings when a serialVersionUID is missing.
26 Answers
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How do I update a GitHub forked repository?
I recently forked a project and applied several fixes. I then created a pull request which was then accepted.
21 Answers
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Difference between java.io.PrintWriter and java.io.BufferedWriter?
...ntWriter out =
new PrintWriter(new BufferedWriter(new FileWriter("foo.out")));
will buffer the PrintWriter's output to the file. Without buffering, each invocation of a print() method would cause characters to be converted into bytes that would then be written immediately to the file, whic...