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Switch branch names in git
...ing else, then rename your new branch to master:
git branch -m master crap_work
git branch -m previous_master master
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Multiple inheritance for an anonymous class
...ited Jun 5 '14 at 14:45
aspiring_sarge
1,84711 gold badge2222 silver badges3232 bronze badges
answered May 1 '11 at 13:04
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How to percent-encode URL parameters in Python?
...s in string
using the %xx escape. Letters, digits,
and the characters '_.-' are never
quoted. By default, this function is
intended for quoting the path section
of the URL.The optional safe parameter
specifies additional characters that
should not be quoted — its default
value is '...
Declare slice or make slice?
...lter(s []int, fn func(int) bool) []int {
var p []int // == nil
for _, v := range s {
if fn(v) {
p = append(p, v)
}
}
return p
}
It means that, to append to a slice, you don't have to allocate memory first: the nil slice p int[] is enough as a slice to ad...
SQL Server: SELECT only the rows with MAX(DATE)
... HAVING t1.DateEntered = MAX(t2.DateEntered))
This is the fastest of all the queries supplied above. The query cost came in at 0.0070668.
The preferred answer above, by Mikael Eriksson, has a query cost of 0.0146625
You may not care about the performance for such a small sample, but in large...
How to create a new java.io.File in memory?
...xt
Files.write(hello, ImmutableList.of("hello world"), StandardCharsets.UTF_8);
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cannot convert data (type interface {}) to type string: need type assertion
...]i to its value type, we have to do it individually:
// var items []i
for _, item := range items {
value, ok := item.(T)
dosomethingWith(value)
}
Performance
As for performance, it can be slower than direct access to the actual value as show in this stackoverflow answer.
...
What does the filter parameter to createScaledBitmap do?
...
Filter will set the FILTER_BITMAP_FLAG for painting which affects the sampling of bitmaps when they are transformed based on the value that you provide.
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How can I check if the current date/time is past a set date/time?
...hat does function does it implement for this?
– still_dreaming_1
Sep 2 '17 at 3:57
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Detect backspace in empty UITextField
...yTextField
- (void)deleteBackward {
[super deleteBackward];
if ([_myDelegate respondsToSelector:@selector(textFieldDidDelete)]){
[_myDelegate textFieldDidDelete];
}
}
@end
Now simply add MyTextFieldDelegate to your UIViewController and set your UITextFields myDelegate to sel...