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What is the function of the push / pop instructions used on registers in x86 assembly?
...rs optimize the register allocation for us, since that is NP complete, and one of the hardest parts of writing a compiler. This problem is called register allocation, and it is isomorphic to graph coloring.
When the compiler's allocator is forced to store things in memory instead of just registers,...
Advantages of Antlr (versus say, lex/yacc/bison) [closed]
...
Update/warning: This answer may be out of date!
One major difference is that ANTLR generates an LL(*) parser, whereas YACC and Bison both generate parsers that are LALR. This is an important distinction for a number of applications, the most obvious being operators:
expr ...
Fold / Collapse the except code section in sublime text 2
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but is can only fold one section at a time, I want to fold all except section :)
– newBike
Sep 16 '13 at 3:38
1
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Viewing complete strings while debugging in Eclipse
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Way better solution than the selected one. Thank you!
– Colin
Dec 10 '13 at 16:21
13
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How do I bind a WPF DataGrid to a variable number of columns?
...Columns in the DataGrid. Since the Columns property is ReadOnly, like everyone noticed, I made an Attached Property called BindableColumns which updates the Columns in the DataGrid everytime the collection changes through the CollectionChanged event.
If we have this Collection of DataGridColumn'...
How do HTML parses work if they're not using regexp?
...ou reach back in your brain to a theory of computation course, if you took one, or a compilers course, or something similar, you may recall that there are different kinds of languages and computational models. I'm not qualified to go into all the details, but I can review a few of the major points ...
How to convert array to SimpleXML
...
a short one:
<?php
$test_array = array (
'bla' => 'blub',
'foo' => 'bar',
'another_array' => array (
'stack' => 'overflow',
),
);
$xml = new SimpleXMLElement('<root/>');
array_walk_recursive($test_a...
How do I center a window onscreen in C#?
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On system with two monitors the form will be centered on one that currently have the cursor. So, the form may suddenly jump to other monitor. See the post here.
– Artemix
Feb 7 '13 at 10:28
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What does the `forall` keyword in Haskell/GHC do?
...ypeVariables enabled.
Scoped Type Variables:
Scoped type variables helps one specify types for code inside where clauses. It makes the b in val :: b the same one as the b in foob :: forall a b. (b -> b) -> b -> (a -> b) -> Maybe a -> b.
A confusing point: you may hear that when ...
Calculate last day of month in JavaScript
... perf chart: jsperf.com/days-in-month-perf-test/6
– Gone Coding
Feb 23 '15 at 9:47
5
It doesn't w...