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Why does GCC generate 15-20% faster code if I optimize for size instead of speed?
... will leave it up to him to figure it out. I don't have such a processor.
Now, on my machine I don't get this 256 byte boundary effect. Only the function and the loop alignment kicks in on my machine. If I pass g++ -O2 -falign-functions=16 -falign-loops=16 then everything is back to normal: I alway...
Squash the first two commits in Git? [duplicate]
...
Update July 2012 (git 1.7.12+)
You now can rebase all commits up to root, and select the second commit Y to be squashed with the first X.
git rebase -i --root master
pick sha1 X
squash sha1 Y
pick sha1 Z
git rebase [-i] --root $tip
This command can ...
What does it mean to inflate a view from an xml file?
...iews:
RelativeLayout rel = new RelativeLayout();
rel.addView(but);
And now if we want to add a button in the right-corner and a textview on the bottom, we have to do a lot of work. First by instantiating the view properties and then applying multiple constraints. This is time consuming.
Android...
What's the difference between a 302 and a 307 redirect?
...e real question is should we still be handling HTTP 1.0 user agents at all now?
– ewanm89
Apr 9 '14 at 12:57
...
How do I commit case-sensitive only filename changes in Git?
...
Don't forget to give the full file path. Obvious, I know, but got me for a while
– rickrizzo
Aug 15 '17 at 16:03
9
...
How do I ignore files in a directory in Git?
...he .gitignore file. When one of the two mentioned git commands is executed now, the directory will be (unexpectedly) lost.
mkdir test
cd test
git init
echo "/localdata/*" >.gitignore
git add .gitignore
git commit -m "Add .gitignore."
mkdir localdata
echo "Important data" >localdata/important...
Handling an empty UITableView. Print a friendly message
...bleView.emptyDataSetDelegate = self
tableView.tableFooterView = UIView()
Now all you have to do to show the emptystate is:
//Add title for empty dataset
func titleForEmptyDataSet(scrollView: UIScrollView!) -> NSAttributedString! {
let str = "Welcome"
let attrs = [NSFontAttributeName: ...
git rebase, keeping track of 'local' and 'remote'
...mits on the new 'our' B branch:
x--x..x..x..x <- old "theirs" commits, now "ghosts", available through reflogs
\
\
\--y--y--y--x'--x'--x'(*) <- branch B with HEAD updated ("ours")
^
|
upstream branch
Note: the "upstream" notion is the ...
Pass props to parent component in React.js
...ole app much harder to reason about.
Edit: ES6 examples
As many people now use ES6, here are the same examples for ES6 syntax
The child can be very simple:
const Child = ({
onClick,
text
}) => (
<button onClick={onClick}>
{text}
</button>
)
The parent can be eithe...
Java Timestamp - How can I create a Timestamp with the date 23/09/2007?
... as java.util.Date, java.util.Calendar, and java.text.SimpleDateFormat are now legacy, supplanted by the java.time classes built into Java 8 and later. See Tutorial by Oracle.
– Basil Bourque
Jan 24 '19 at 23:55
...