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log4net vs. Nlog
...4net has launched v1.2.11 on October 2011. I think this answer is obsolete now.
– Mariano Desanze
Oct 25 '11 at 20:30
83
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How to include (source) R script in other scripts
...uld go into util.R. You just put the entire body of what's in util.R right now into a giant if() statement, if that makes sense.
– Keith Twombley
May 16 '13 at 17:18
add a com...
Mipmap drawables for icons
Since Android 4.3 (Jelly Bean) we can now make use of the res/mipmap folders to store "mipmap" images.
11 Answers
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How to search through all Git and Mercurial commits in the repository for a certain string?
...tuations where I had commits in my database but not in my reflog. I don't know how common this is. I was trying out different hg/git bridges. I think it can also arise with dropped stashes. In any case, this alias works nicely to catch those cases: !git fsck --unreachable | sed -ne 's/^unreachable c...
Casting a variable using a Type variable
...pe intType = typeof(Int32);
object value1 = 1000.1;
// Variable value2 is now an int with a value of 1000, the compiler
// knows the exact type, it is safe to use and you will have autocomplete
int value2 = Convert.ChangeType(value1, intType);
// Variable value3 is now an int with a value of 1000...
Can a foreign key be NULL and/or duplicate?
...inition. Null by definition is not a value. Null means that we do not yet know what the value is.
Let me give you a real life example. Suppose you have a database that stores sales proposals. Suppose further that each proposal only has one sales person assigned and one client. So your proposal tab...
PHP CURL CURLOPT_SSL_VERIFYPEER ignored
...HTTPS. Everything was working fine untill I ran upgrade of curl libraries. Now I am experiencing this response when trying to perform CURL requests: Problem with the SSL CA cert (path? access rights?)
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Difference between Divide and Conquer Algo and Dynamic Programming
...iginal solution and the technique of storing the sub-problem solutions is known as memoization.
You may think of DP = recursion + re-use
A classic example to understand the difference would be to see both these approaches towards obtaining the nth fibonacci number. Check this material from MIT.
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How does IPython's magic %paste work?
...d any magic command, just paste it
Thanks to prompt_toolkit, IPython now supports:
Syntax highlighting as you type
Real multi-line editing (up and down arrow keys move between lines)
Multi-line paste without breaking indentation or immediately executing code
Better code completio...
What exactly do “u” and “r” string flags do, and what are raw string literals?
While asking this question , I realized I didn't know much about raw strings. For somebody claiming to be a Django trainer, this sucks.
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