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Please explain some of Paul Graham's points on Lisp
... at (println and ends at the ) far to the right. This is lexed / parsed as one would expect, but already an important point arises: the result is not some special compiler-specific AST representation -- it's just a regular Clojure / Lisp data structure, namely a nested list containing a bunch of sym...
How do I break out of a loop in Perl?
...al data (in case you have more questions):
FOO: {
for my $i ( @listone ){
for my $j ( @listtwo ){
if ( cond( $i,$j ) ){
last FOO; # --->
# |
} # |
} ...
What does O(log n) mean exactly?
... that:
the choice of the next element on which to perform some action is one of several possibilities, and
only one will need to be chosen.
or
the elements on which the action is performed are digits of n
This is why, for example, looking up people in a phone book is O(log n). You don't need...
Best way to do Version Control for MS Excel
...ry for my BZR repository, X:\Data\MySheet. In the repo are MySheet.xls and one .vba file for each of my modules (ie: Module1Macros). In my spreadsheet I've added one module that is exempt from the export/import cycle called "VersionControl". Each module to be exported and re-imported must end in "Ma...
ASP.NET MVC Html.DropDownList SelectedValue
... What the hell! This is not fixed in MVC5??? As another trick mentioned by @Paul Hatcher , copy the selected id into the ViewData["DealerTypes"].
– jsgoupil
Oct 1 '14 at 21:25
...
What are best practices that you use when writing Objective-C and Cocoa? [closed]
...k about in a class? That is especially true in an environment like the iPhone.
3.5) In table cells, make every element (including the cell itself) opaque for performance. That means setting the appropriate background color in everything.
3.6) When using an NSURLConnection, as a rule you may well ...
Locking pattern for proper use of .NET MemoryCache
...chedString;
}
lock (cacheLock)
{
//Check to see if anyone wrote to the cache while we where waiting our turn to write the new value.
cachedString = MemoryCache.Default.Get(CacheKey, null) as string;
if (cachedString != null)
{
return cachedSt...
Allow multiple roles to access controller action
...
This is okay if you only have one controller that you need to authorize. If you have more than one, you're duplicating those string constants (yuck). I much prefer the static class that has the role names. My pet hate is duplicate strings... so so bad.
...
What is the difference between Forking and Cloning on GitHub?
...e to know the differences between doing a Fork of a project and doing a clone of it.
9 Answers
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offsetting an html anchor to adjust for fixed header [duplicate]
...
I have a list menu with all the links:
<ul>
<li><a href="#one">one</a></li>
<li><a href="#two">two</a></li>
<li><a href="#three">three</a></li>
<li><a href="#four">four</a></li>
</ul>
And ...