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Android 1.6: “android.view.WindowManager$BadTokenException: Unable to add window — token null is not
...he annoying part is the getApplicationContext() is verbatim from developer.android.com :(
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How to specify font attributes for all elements on an html web page?
... When the browser sees the '*' it loops over all HTML elements in the page and apply the CSS to them. Even for elements where the rule doesn't make any sense. Depending on the size of the HTML this can slow the page rendering.
– Cesar Canassa
Oct 16 '10 at 7:37...
What is P99 latency?
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Imagine that you are collecting performance data of your service and the below table is the collection of results (the latency values are fictional to illustrate the idea).
Latency Number of requests
1s 5
2s 5
3s 10
4s 40
5s 20
6s 15
7s ...
Two statements next to curly brace in an equation
How can I write an equation with one curly brace ( { ), and on the right-hand side next to the curly, two statements in two different lines?
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Check if element is visible in DOM
...ion isHidden(el) {
return (el.offsetParent === null)
}
On the other hand, if you do have position fixed elements that might get caught in this search, you will sadly (and slowly) have to use window.getComputedStyle(). The function in that case might be:
// Where el is the DOM element you'd l...
How does interfaces with construct signatures work?
...how defining constructors in interfaces work. I might be totally misunderstanding something. But I have searched for answers for a good while and I can not find anything related to this.
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How do you 'redo' changes after 'undo' with Emacs?
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Short version: by undoing the undo. If you undo, and then do a non-editing command such as C-f, then the next undo will undo the undo, resulting in a redo.
Longer version:
You can think of undo as operating on a stack of operations. If you perform some command (even a nav...
Git: How to remove file from historical commit?
... size of the repo won't decrease immediately unless you expire the reflogs and garbage collect:
rm -Rf .git/refs/original # careful
git gc --aggressive --prune=now # danger
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Don't display pushd/popd stack across several bash scripts (quiet pushd/popd)
Each time I use pushd or popd, it print the stack to standard output. How not to do so?
3 Answers
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How can you undo the last git add?
...valid ref. I haven't committed anything yet (new repo) just done git add . and regretted it. I don't want to reset the entire add, just one directory. git reset -- dir/*.* generates the error above.
– Francis Davey
Jan 23 '14 at 17:51
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