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Why does Clojure have “keywords” in addition to “symbols”?
...dge of other Lisps (particularly Scheme) from way back. Recently I've been reading about Clojure . I see that it has both "symbols" and "keywords". Symbols I'm familiar with, but not with keywords.
...
Using async-await on .net 4
...osoft.Bcl.Async) through Nuget as a replacement for the AsyncCTP.
You can read more about it here: http://blogs.msdn.com/b/bclteam/archive/2013/04/17/microsoft-bcl-async-is-now-stable.aspx.
You can read about the previous version here: http://blogs.msdn.com/b/lucian/archive/2012/04/24/async-target...
Checkout another branch when there are uncommitted changes on the current branch
...ions. Both do the same thing, when used in the basic ways.
You can stop reading here, if you like!
If Git won't let you switch, you already have a remedy: use git stash or git commit; or, if your changes are trivial to re-create, use git checkout -f to force it. This answer is all about when Gi...
What's the difference between libev and libevent?
...ample, global variable usage made it hard to use libevent safely in multithreaded environments, watcher structures are big because they combine I/O, time and signal handlers in one, the extra components such as the http and dns servers suffered from bad implementation quality and resultant security ...
Can someone give an example of cosine similarity, in a very simple, graphical way?
...re that, try to use log frequency weighting on all term vectors. If your already dealing with normalized vectors, then it's the dot product of A.B.
– Ali Gajani
May 10 '14 at 3:16
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Most efficient way to remove special characters from string
...y one of the most efficient ways that you can do it.
You should of course read the character into a local variable or use an enumerator to reduce the number of array accesses:
public static string RemoveSpecialCharacters(this string str) {
StringBuilder sb = new StringBuilder();
foreach (cha...
GOTO still considered harmful? [closed]
... Let's not bog down a simple example.)
On the other hand, if the code had read this way:
...
goto 10
...
a = b + 1
10: /* do something with a */
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goto 10
...
The multiplicity of ways to get to label 10 means that we have to work much harder to be confident about the relationships between a an...
Do declared properties require a corresponding instance variable?
...esized also for you. This gets around the "fragile-ivar" scenario. You can read more about it on Cocoa with Love
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Hibernate, @SequenceGenerator and allocationSize
... (not all databases that support sequences support an increment). Anyway, read up about the various optimizer strategies there.
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How to import existing Git repository into another?
...erge -s ours --no-commit --allow-unrelated-histories XXX_remote/master
git read-tree --prefix=ZZZ/ -u XXX_remote/master
git commit -m "Imported XXX as a subtree."
You can track upstream changes like so:
git pull -s subtree XXX_remote master
Git figures out on its own where the roots are before ...