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Undoing a git bisect mistake
...eturn on the wrong line in my command history, and rather than running the test, I run 'git bisect good' (or bad). Oops - I don't yet know if this commit should be marked good or bad, yet that's what I've done.
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Twitter Bootstrap alert message close and open again
...ach element in the set, get the first element that matches the selector by testing the element itself and traversing up through its ancestors in the DOM tree.
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How do I fix PyDev “Undefined variable from import” errors?
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I'm experiencing the same issue with latest Eclipse and PyDev. I can navigate between all modules, so why code-analysis can't do the same?
– Adam
Sep 3 '14 at 11:41
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Stashing only staged changes in git - is it possible?
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With latest git you may use --patch option
git stash push --patch
git stash save --patch # for older git versions
And git will ask you for each change in your files to add or not into stash.
You just answer y or n
UPD
Alias...
How can I shift-select multiple checkboxes like GMail?
...bx, idx) {
cbx.addEventListener('click', function (evt) {
// test for shift key, not first checkbox, and not same checkbox
if ( evt.shiftKey && null !== lastcheck && idx !== lastcheck ) {
// get range of checks between last-checkbox and shift-checkbox
...
How to detect idle time in JavaScript elegantly?
...; set that flag = true only on the events. Then in the resetTimer function test if the notidle flag is true, if it is reset the timer their, or call logout. This will remove the complexity overhead of constantly resetting the timer.
– MartinWebb
Nov 26 '16 at 1...
Given a view, how do I get its viewController?
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@andrey answer in one line (tested in Swift 4.1):
extension UIResponder {
public var parentViewController: UIViewController? {
return next as? UIViewController ?? next?.parentViewController
}
}
usage:
let vc: UIViewController = view...
How do I view the SQL generated by the Entity Framework?
...h the intention of it only running in development. When we deployed to our testing environment, we started to abruptly see memory leaks in the IIS Worker Process. After memory profiling, we realized even explicit GC wasn't collecting the entity context objects anymore (yes, they were in using statem...
Bash array with spaces in elements
...ILES[0]}
echo ${FILES[1]}
echo ${FILES[2]}
echo ${FILES[3]}
Output:
$ ./test.sh
2011-09-04 21.43.02.jpg
2011-09-05 10.23.14.jpg
2011-09-09 12.31.16.jpg
2011-09-11 08.43.12.jpg
Quoting the strings also produces the same output.
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Setting HTTP headers
...simple authentication.
Here is a corrected wrapper:
// Code has not been tested.
func addDefaultHeaders(fn http.HandlerFunc) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
if origin := r.Header.Get("Origin"); origin != "" {
w.Header().Set("Access-C...