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What does default(object); do in C#?
... @AdamParkin that depends on whether you are talking about fields vs locals; yes, fields initialize to a zero-d space, the same as default(...); locals do not have default values (although technically, .locals init in IL means that they will again default to zero, but you need to use unsafe...
Difference between Eclipse Europa, Helios, Galileo
...e names are alphabetically after the previous one (except for 3.4-Ganymede vs the newer 3.5-Galileo).
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Classes residing in App_Code is not accessible
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This appears to be a bug in VS2012. Happens to me too.
– James Nail
Jul 16 '13 at 23:02
2
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How to print last two columns using awk
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I just put gawk on Solaris 10 M4000:
So, gawk is the cuplrit on the $NF-1 vs. $(NF-1) issue. Next question what does POSIX say?
per:
http://www.opengroup.org/onlinepubs/009695399/utilities/awk.html
There is no direction one way or the other. Not good. gawk implies subtraction, other awks imp...
Remove NA values from a vector
...1975.4 1e+06 c
For reference, here's the original test of x[!is.na(x)] vs na.omit:
microbenchmark::microbenchmark(
purrr::map(airquality,function(x) {x[!is.na(x)]}),
purrr::map(airquality,na.omit),
times = 1000000)
Unit: microseconds
...
jQuery - setting the selected value of a select control via its text description
...M properties as well as HTML attributes. (Google javascript dom properties vs attributes if you don't know the distinction.)
– Mark Amery
Aug 4 '13 at 9:27
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MySQL LIKE IN()?
...: 8.5s; 2 terms: REGEXP: 22.1s, LIKE: 9.69; '^(hemoglobin|hematr?ocrit).*' vs 3 term like: REGEXP: 36.3, LIKE: 9.59.
– Jesse Clark
Mar 11 '16 at 18:19
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How to determine programmatically whether a particular process is 32-bit or 64-bit
... see https://msdn.microsoft.com/en-us/library/windows/desktop/ms684139%28v=vs.85%29.aspx
public static bool Is64Bit(Process process)
{
if (!Environment.Is64BitOperatingSystem)
return false;
// if this method is not available in your version of .NET, use GetNativeS...
Config Error: This configuration section cannot be used at this path
... Visual Studio 2015 the applicationHost.config is stored in $(solutionDir).vs\config\applicationhost.config
Find the section that showed up in the “config source” part of the error message page. For me this has typically been “modules” or “handlers”
Change the overrideModeDefault att...
How to get image size (height & width) using JavaScript?
...M On Chrome 35, it’s 16 times faster: jsperf.com/document-getelementbyid-vs-jquery/5
– bfontaine
Aug 12 '14 at 13:52
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