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How to remove the first Item from a list?
...
Python List
list.pop(index)
>>> l = ['a', 'b', 'c', 'd']
>>> l.pop(0)
'a'
>>> l
['b', 'c', 'd']
>>>
del list[index]
>>> l = ['a', 'b', 'c', 'd']
>>> del l[0]
>>> l
['b', 'c', 'd'...
SQL join: selecting the last records in a one-to-many relationship
...in one SELECT statement. What is the best practice? Any advice on building indexes?
9 Answers
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Make a div into a link
... position:absolute;
width:100%;
height:100%;
top:0;
left: 0;
z-index: 1;
/* fixes overlap error in IE7/8,
make sure you have an empty gif */
background-image: url('empty.gif');
}
It will now cover the panel, and as it's inside an <A> tag, it's a clickable link
give ...
How do I get the fragment identifier (value after hash #) from a URL?
...
You may do it by using following code:
var url = "www.site.com/index.php#hello";
var hash = url.substring(url.indexOf('#')+1);
alert(hash);
SEE DEMO
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improve this answer
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How do you fix a bad merge, and replay your good commits onto a fixed merge?
...none of the other solutions are quite up to
the task.
git filter-branch --index-filter \
'git rm --cached --ignore-unmatch <file>'
That will remove <file> from all commits, starting from the root commit. If
instead you just want to rewrite the commit range HEAD~5..HEAD, then you can
p...
How do you stash an untracked file?
...
Add the file to the index:
git add path/to/untracked-file
git stash
The entire contents of the index, plus any unstaged changes to existing files, will all make it into the stash.
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Selecting a row in DataGridView programmatically
...
Not tested, but I think you can do the following:
dataGrid.Rows[index].Selected = true;
or you could do the following (but again: not tested):
dataGrid.SelectedRows.Clear();
foreach(DataGridViewRow row in dataGrid.Rows)
{
if(YOUR CONDITION)
row.Selected = true;
}
...
Show data on mouseover of circle
...body")
.append("div")
.style("position", "absolute")
.style("z-index", "10")
.style("visibility", "hidden")
.text("a simple tooltip");
Then you can just toggle it using
.on("mouseover", function(){return tooltip.style("visibility", "visible");})
.on("mousemove", function(){ret...
INSERT INTO vs SELECT INTO
...erformance implications? If the table is a permanent table, you can create indexes at the time of table creation which has implications for performance both negatively and positiviely. Select into does not recreate indexes that exist on current tables and thus subsequent use of the table may be slow...
Excel: last character/string match in a string
...haviour in older Excel versions through either
=MATCH(2,1/(MID(A2,ROW(A1:INDEX(A:A,LEN(A2))),1)="Y"))
Entered through CtrlShiftEnter, or using an inline INDEX to get rid of implicit intersection:
=MATCH(2,INDEX(1/(MID(A2,ROW(A1:INDEX(A:A,LEN(A2))),1)="Y"),))
...