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What to return if Spring MVC controller method doesn't return value?
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Although seems to compile, it gives the following warning ResponseEntity is a raw type. References to generic type ResponseEntity<T> should be parameterized
– Gonzalo.-
Feb 11 '19 a...
How to convert a Django QuerySet to a list
...d for existing_answer in existing_question_answers)
answers = itertools.ifilter(lambda x: x.id not in ids, answers)
Read when QuerySets are evaluated and note that it is not good to load the whole result into memory (e.g. via list()).
Reference: itertools.ifilter
Update with regard to the commen...
FragmentPagerAdapter getItem is not called
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Hate to be another 'me too!' post, but yeah >.< Thanks for not deleting the question.
– Paul Ruiz
Jul 10 '13 at 16:36
34
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Error: Cannot pull with rebase: You have unstaged changes
...stated that you don't want to keep the changes you can do git checkout -- <file name> or git reset --hard to get rid of the changes.
For the most part, git will tell you what to do about changes. For example, your error message said to git stash your changes. This would be if you wanted to ke...
vim command to restructure/force text to 80 columns
...select upwards. You can select the whole document and format with ggVGgq although maybe there's an easier way. Save that as a macro using @ to make it easier. Use vipgq to fmt current paragraph.
– ktbiz
Apr 22 '17 at 17:37
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Can the Unix list command 'ls' output numerical chmod permissions?
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it almost can ..
ls -l | awk '{k=0;for(i=0;i<=8;i++)k+=((substr($1,i+2,1)~/[rwx]/) \
*2^(8-i));if(k)printf("%0o ",k);print}'
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Is there a difference between x++ and ++x in java?
...tors. Both will add 1 to the variable but there is a difference in the result of the statement.
int x = 0;
int y = 0;
y = ++x; // result: y=1, x=1
int x = 0;
int y = 0;
y = x++; // result: y=0, x=1
s...
Getting View's coordinates relative to the root layout
...indViewById(R.id.tv))); i get all is 0; textView in layout is as follows <TextView android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="@string/hello" android:id="@+id/tv" android:layout_marginBottom="69dip" android:layout_marginLeft="...
What's the difference between deadlock and livelock?
... is also a response to the action of another
thread, then livelock may result.
As with deadlock, livelocked threads are unable to make further progress. However, the threads are not blocked — they are simply too busy responding to each other to resume work. This is comparable to two people attempt...
Creating a blurring overlay view
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Mind you, this is slower than the other options on this page.
#import <QuartzCore/QuartzCore.h>
- (UIImage*) blur:(UIImage*)theImage
{
// ***********If you need re-orienting (e.g. trying to blur a photo taken from the device camera front facing camera in portrait mode)
// theIm...