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getting exception “IllegalStateException: Can not perform this action after onSaveInstanceState”
...ntManagerImpl class (instance available in Activity) has value true. It is set to true when the back stack is saved (saveAllState) on call from Activity#onSaveInstanceState.
Afterwards the calls from ActivityThread don't reset this flag using available reset methods from FragmentManagerImpl#noteStat...
How do I avoid capturing self in blocks when implementing an API?
... typed weak self to use in blocks:
__typeof(self) __weak welf = self;
I set that as an XCode Code Snippet with a completion prefix of "welf" in methods/functions, which hits after typing only "we".
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“inconsistent use of tabs and spaces in indentation”
...
Don't use tabs.
Set your editor to use 4 spaces for indentation.
Make a search and replace to replace all tabs with 4 spaces.
Make sure your editor is set to display tabs as 8 spaces.
Note: The reason for 8 spaces for tabs is so that you i...
Comparing two java.util.Dates to see if they are in the same day
...al1 = Calendar.getInstance();
Calendar cal2 = Calendar.getInstance();
cal1.setTime(date1);
cal2.setTime(date2);
boolean sameDay = cal1.get(Calendar.DAY_OF_YEAR) == cal2.get(Calendar.DAY_OF_YEAR) &&
cal1.get(Calendar.YEAR) == cal2.get(Calendar.YEAR);
Note that "same day" i...
What are major differences between C# and Java?
...esn't have properties as part of the language; they're a convention of get/set/is methods
Java doesn't have the equivalent of "unsafe" code
Interop is easier in C# (and .NET in general) than Java's JNI
Java and C# have somewhat different ideas of enums. Java's are much more object-oriented.
Java has...
ExpressJS - throw er Unhandled error event
...
I fixed the bug by changing the port which was
app.set('port', process.env.PORT || 3000);<br>
and changed to:
app.set('port', process.env.PORT || 8080);<br>
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How do you change the datatype of a column in SQL Server?
...er with nullability? If I don't want to change it - what is the benefit in setting it again?
– The incredible Jan
Mar 10 '17 at 7:50
...
google chrome extension :: console.log() from background page?
...e.extension.getBackgroundPage(), I get null. Do I need to have permissions set or some other configuration?
– gwg
Oct 22 '14 at 22:33
...
Get/pick an image from Android's built-in Gallery app programmatically
... savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
findViewById(R.id.Button01)
.setOnClickListener(new OnClickListener() {
public void onClick(View arg0) {
// in onCreate or ...
How do you automate Javascript minification for your Java web applications?
...">
<apply executable="java" parallel="false">
<fileset dir="." includes="foo.js, bar.js"/>
<arg line="-jar"/>
<arg path="yuicompressor.jar"/>
<srcfile/>
<arg line="-o"/>
<mapper type="glob" from="*.js" to="...