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C# pattern to prevent an event handler hooked twice [duplicate]
...ution and the best one (considering performance) is:
private EventHandler _foo;
public event EventHandler Foo {
add {
_foo -= value;
_foo += value;
}
remove {
_foo -= value;
}
}
No Linq using required. No need to check for null before cancelling a subscrip...
Entity Framework - Invalid Column Name '*_ID"
...ne for you to try to make the connection between the tables. This specifically happens with ICollection and has driven me "batty" trying to figure it out.
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Getting name of windows computer running python script?
Basically, I have a couple Windows computers on my network that will be running a python script. A different set of configuration options should be used in the script depending on which computer is running this script.
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Primary key or Unique index?
...ork we have a big database with unique indexes instead of primary keys and all works fine.
15 Answers
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Copy file or directories recursively in Python
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I suggest you first call shutil.copytree, and if an exception is thrown, then retry with shutil.copy.
import shutil, errno
def copyanything(src, dst):
try:
shutil.copytree(src, dst)
except OSError as exc: # python >2.5
...
How to Convert all strings in List to lower case using LINQ?
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Easiest approach:
myList = myList.ConvertAll(d => d.ToLower());
Not too much different than your example code. ForEach loops the original list whereas ConvertAll creates a new one which you need to reassign.
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How to reference a .css file on a razor view?
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@Marc It's rendered on a place, where you call RenderSection (surprisingly :), not at the end of the header.
– David Ferenczy Rogožan
Mar 26 '15 at 22:13
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Using Chrome, how to find to which events are bound to an element
...nel. Use a Mouse -> click breakpoint and then "step into next function call" while keeping an eye on the call stack to see what userland function handles the event. Ideally, you'd replace the minified version of jQuery with an unminified one so that you don't have to step in all the time, and use...
How to search for a part of a word with ElasticSearch
... to 50 letters. Adjust the max_gram as you need. In german words can get really big, so I set it to a high value.
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How to create a date object from string in javascript [duplicate]
...return a JS Date object, with a robust selection of methods available from __proto__. Demo in jsFiddle
– KyleMit
Apr 11 '17 at 19:19
4
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