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How do I undo 'git add' before commit?
I mistakenly added files to Git using the command:
36 Answers
36
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Why can't I use the 'await' operator within the body of a lock statement?
The await keyword in C# (.NET Async CTP) is not allowed from within a lock statement.
8 Answers
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Why shouldn't I use mysql_* functions in PHP?
...as of PHP 7.0 (released December 2015)
This means that as of 31 Dec 2018 it does not exist in any supported version of PHP. If you are using a version of PHP which supports it, you are using a version which doesn't get security problems fixed.
Lacks an OO interface
Doesn't support:
Non-blocking...
Does Python optimize tail recursion?
I have the following piece of code which fails with the following error:
6 Answers
6
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Use jQuery to hide a DIV when the user clicks outside of it
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Had the same problem, came up with this easy solution. It's even working recursive:
$(document).mouseup(function(e)
{
var container = $("YOUR CONTAINER SELECTOR");
// if the target of the click isn't the container nor a descendant of the contain...
Is it possible to focus on a using JavaScript focus() function?
Is it possible to focus on a <div> using JavaScript focus() function?
8 Answers
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How do you rename a Git tag?
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Here is how I rename a tag old to new:
git tag new old
git tag -d old
git push origin :refs/tags/old
git push --tags
The colon in the push command removes the tag from the remote repository. If you don't do this, Git will create the old tag on your machine when y...
Avoid web.config inheritance in child web application using inheritInChildApplications
...r mentioned, you cannot simply add the line...
<location path="." inheritInChildApplications="false">
...just below <configuration>. Instead, you need to wrap the individual web.config sections for which you want to disable inheritance. For example:
<!-- disable inheritance for th...
Why does Android use Java? [closed]
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Some points:
Java is a known language, developers know it and don't have to learn it
it's harder to shoot yourself with Java than with C/C++ code since it has no pointer arithmetic
it runs in a VM, so no need to recompile it for every phone out there and easy to secure
large numb...
Iterate through object properties
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Iterating over properties requires this additional hasOwnProperty check:
for (var prop in obj) {
if (Object.prototype.hasOwnProperty.call(obj, prop)) {
// do stuff
}
}
It's necessary because an object's pr...