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How to remove unreferenced blobs from my git repo
...sed as arguments from the history of the repo
files=$@
git filter-branch --index-filter "git rm -rf --cached --ignore-unmatch $files" HEAD
# remove the temporary history git-filter-branch otherwise leaves behind for a long time
rm -rf .git/refs/original/ && git reflog expire --all &&...
Opacity of div's background without affecting contained element in IE 8?
...iv with this set of styles:
position: fixed;
width: 100%;
height: 100%;
z-index: 1000; /* some high enough value so it will render on top */
opacity: .5;
filter: alpha(opacity=50);
Then when you display the content it should have a higher z-index. But these two elements are not related in terms o...
MySQL - ORDER BY values within IN()
...g list of strings.
However, it is much better performance-wise to have an indexed column that represents your sort order, and then sort by this column.
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Response Content type as CSV
...'ve been honing a perfect set of headers for this that work brilliantly in all browsers that I know of
// these headers avoid IE problems when using https:
// see http://support.microsoft.com/kb/812935
header("Cache-Control: must-revalidate");
header("Pragma: must-revalidate");
header("Content-typ...
Can I set enum start value in Java?
...va to create a enum of sequential integers (similar to a C++ enum), for an index into an array or something, be to write: enum Ids { NAME(0), AGE(1), HEIGHT(2), WEIGHT(3); } Thank you, -bn
– bn.
Aug 13 '09 at 19:35
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How to get subarray from array?
... var ar = [1, 2, 3, 4, 5] and want some function getSubarray(array, fromIndex, toIndex) , that result of call getSubarray(ar, 1, 3) is new array [2, 3, 4] .
...
How to correctly iterate through getElementsByClassName
... the way to retrieve an item from a NodeList is:
nodeItem = nodeList.item(index)
Thus:
var slides = document.getElementsByClassName("slide");
for (var i = 0; i < slides.length; i++) {
Distribute(slides.item(i));
}
I haven't tried this myself (the normal for loop has always worked for me)...
MySQL Conditional Insert
...s the insert instead of updating or inserting a row when you have a unique index on (user, item).
The query will look like this:
INSERT IGNORE INTO x_table(instance, user, item) VALUES (919191, 123, 456)
You can add the unique index with CREATE UNIQUE INDEX user_item ON x_table (user, item).
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How to send email from Terminal?
...
Note all this solutions assume you have a locally installed MTA
– Miquel
Nov 24 '11 at 18:07
11
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MVC which submit button has been pressed
... submit. Only the button clicked will pass its value.
public ActionResult Index(string submit)
{
Response.Write(submit);
return View();
}
You can of course assess that value to perform different operations with a switch block.
public ActionResult Index(string submit)
{
switch (submit...