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In what cases could `git pull` be harmful?
... have to get into the habit of typing:
git pull --ff-only
However, with all versions of Git, I recommend configuring a git up alias like this:
git config --global alias.up '!git remote update -p; git merge --ff-only @{u}'
and using git up instead of git pull. I prefer this alias over git pull...
How to set breakpoints in inline Javascript in Google Chrome?
When I open Developer Tools in Google Chrome, I see all kinds of features like Profiles, Timelines, and Audits, but basic functionality like being able to set breakpoints both in js files and within html and javascript code is missing! I tried to use the javascript console, which itself is buggy - f...
Swapping column values in MySQL
...test s1, swap_test s2 SET s1.x=s1.y, s1.y=s2.x WHERE s1.id=s2.id;
Essentially, the 1st table is the one getting updated and the 2nd one is used to pull the old data from.
Note that this approach requires a primary key to be present.
This is my test schema:
CREATE TABLE `swap_test` (
`id` int(1...
Nullable type as a generic parameter possible?
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Change the return type to Nullable<T>, and call the method with the non nullable parameter
static void Main(string[] args)
{
int? i = GetValueOrNull<int>(null, string.Empty);
}
public static Nullable<T> GetValueOrNull<T>(DbDataRecord reader, str...
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock'
I installed LAMP on Ubuntu 12.04 LTS (Precise Pangolin) and then set root password on phpMyAdmin . I forgot the password and now I am unable to login. When I try to change password through terminal I get:
...
must appear in the GROUP BY clause or be used in an aggregate function
I have a table that looks like this caller 'makerar'
7 Answers
7
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What does a just-in-time (JIT) compiler do?
What does a JIT compiler specifically do as opposed to a non-JIT compiler? Can someone give a succinct and easy to understand description?
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How do I remove the file suffix and path portion from a path string in Bash?
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This is probably the most flexible of all the answers posted, but I think the answers suggesting the basename and dirname commands deserve some attention as well. They may be just the trick if you don't need any other fancy pattern matching.
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Volatile vs. Interlocked vs. lock
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Worst (won't actually work)
Change the access modifier of counter to public volatile
As other people have mentioned, this on its own isn't actually safe at all. The point of volatile is that multiple threads running on multiple CPUs can and...
Is it possible to force ignore the :hover pseudoclass for iPhone/iPad users?
...lt;body class="yui3-skin-sam no-touch">
...
</body>
And have all CSS rules with ":hover" below ".no-touch":
.no-touch my:hover{
color: red;
}
Somewhere in the page, I have javascript to remove no-touch class from body.
if ('ontouchstart' in document) {
Y.one('body').removeCl...