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Which is better in python, del or delattr?
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The dis module. You can run it from the command line using python -m dis and typing in some code, or disassemble a function with dis.dis().
– Miles
Jul 13 '09 at 18:04
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jQuery event for images loaded
...y $().load() as an IMG event handler isn't guaranteed. If the image loads from the cache, some browsers may not fire off the event. In the case of (older?) versions of Safari, if you changed the SRC property of an IMG element to the same value, the onload event will NOT fire.
It appears that this...
Cookie overflow in rails application?
...he migration
rake db:migrate
Modify config/initializers/session_store.rb from
(App)::Application.config.session_store :cookie_store, :key => 'xxx'
to
(App)::Application.config.session_store :active_record_store
Once you’ve done the three steps, restart your application. Rails will now ...
What does “Changes not staged for commit” mean
...issue worked for me, on a git conflict where I was unable to delete a file from my local repository and commit from the local repository to the remote master branch.
– Siwoku Adeola
Mar 3 at 18:35
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When should one use RxJava Observable and when simple Callback on Android?
...e<Photo> call(List<Photo> photos) {
return Observable.from(photos);
}
})
.filter(new Func1<Photo, Boolean>() {
@Override
public Boolean call(Photo photo) {
return photo.isPNG();
}
})
.subscribe(
new Action1<Photo>() {
@Override
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Concatenate two slices in Go
...ction, and the ... lets you pass multiple arguments to a variadic function from a slice.
– user1106925
Apr 27 '13 at 4:14
12
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How can we print line numbers to the log in java
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From Angsuman Chakraborty:
/** Get the current line number.
* @return int - Current line number.
*/
public static int getLineNumber() {
return Thread.currentThread().getStackTrace()[2].getLineNumber();
}
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How to Display blob (.pdf) in an AngularJS app
I have been trying to display pdf file which I am getting as a blob from a $http.post response. The pdf must be displayed within the app using <embed src> for example.
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How do I make a matrix from a list of vectors in R?
Goal: from a list of vectors of equal length, create a matrix where each vector becomes a row.
6 Answers
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Have a div cling to top of screen if scrolled down past it [duplicate]
I have a div which, when my page is first loaded, is about 100px from the top (it holds some buttons etc. for the page).
4 ...