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Escape a string for a sed replace pattern
... a more in-depth answer, see this SO-question instead. (Thanks, Ed Morton & Niklas Peter)
Note that escaping everything is a bad idea. Sed needs many characters to be escaped to get their special meaning. For example, if you escape a digit in the replacement string, it will turn in to a backref...
How to remove newlines from beginning and end of a string?
...cter in between the string as well. the ask is to remove only the leading & trailing new line character.
– siddhartha
Sep 7 '17 at 11:26
...
How do I scroll the UIScrollView when the keyboard appears?
... handling of this issue is explained. You should have a look into it.
// Call this method somewhere in your view controller setup code.
- (void)registerForKeyboardNotifications
{
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(keyboardWasShown:)
...
Wrap a delegate in an IEqualityComparer
...fying. But I still don't understand your hashing policy of t => 0. If all objects always hash to the same thing (zero), then isn't that even more broken than using obj.GetHashCode, per @Dan Tao's point? Why not always force the caller to provide a good hash function?
– Jo...
为iFrame添加动态载入效果，提高用户体验 - 更多技术 - 清泛网 - 专注C/C++及内核技术
为iFrame添加动态载入效果，提高用户体验iFrame动态载入效果，现在记录一下，顺便分享。先展示下效果：加载中：完成后：以下是完整代码：<div style="float: left;width: 205px;font-size: 13px !important;line-hei iFrame动态载入效果，现在记录...
Determine project root from a running node.js application
...require('path');
var appDir = path.dirname(require.main.filename);
Pros &amp; Cons
This will work great most of the time, but if you're running your app with a launcher like pm2 or running mocha tests, this method will fail.
global.X
Node has a a global namespace object called global — anythi...
Python glob multiple filetypes
Is there a better way to use glob.glob in python to get a list of multiple file types such as .txt, .mdown, and .markdown? Right now I have something like this:
...
Nginx no-www to www and www to no-www
... example
location / {
rewrite ^/cp/login?$ /cp/login.php last;
# etc etc...
}
}
Note: I have not originally included https:// in my solution since we use loadbalancers and our https:// server is a high-traffic SSL payment server: we do not mix https:// an...
Log exception with traceback
..., prepended with a message.
import logging
LOG_FILENAME = '/tmp/logging_example.out'
logging.basicConfig(filename=LOG_FILENAME, level=logging.DEBUG)
logging.debug('This message should go to the log file')
try:
run_my_stuff()
except:
logging.exception('Got exception on main handler')
r...
Big-O for Eight Year Olds? [duplicate]
...ore about what this means to my code. I understand the concepts mathematically, I just have a hard time wrapping my head around what they mean conceptually. For example, if one were to perform an O(1) operation on a data structure, I understand that the number of operations it has to perform won't...