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What do 'real', 'user' and 'sys' mean in the output of time(1)?
...when the CPU is operating in this mode; these actions are not available to application code. An example of such an action might be manipulation of the MMU to gain access to the address space of another process. Normally, user-mode code cannot do this (with good reason), although it can request sha...
How do you parse and process HTML/XML in PHP?
... XMLReader and XMLWriter classes to create a simple "xml to object/array" mapping system and design pattern. Writing and reading XML is single-pass and can therefore be fast and require low memory on large xml files.
FluidXML
FluidXML is a PHP library for manipulating XML with a concise and fl...
Detect if Visual C++ Redistributable for Visual Studio 2012 is installed
...new registry convention being used for Visual C++ 2019. There also doesn't appear to be a standalone installer for Visual C++ 2019, only this bundle installer that is Visual C++ 2015 through 2019.
14.21.27702
Microsoft Visual C++ 2015-2019 Redistributable (x64) - 14.21.27702
Registry Key: [HKEY_CL...
WiX tricks and tips
...m variables for x86 and x64 builds
<!-- Product name as you want it to appear in Add/Remove Programs-->
<?if $(var.Platform) = x64 ?>
<?define ProductName = "Product Name (64 bit)" ?>
<?define Win64 = "yes" ?>
<?define PlatformProgramFilesFolder = "ProgramFiles64Fol...
Why are Subjects not recommended in .NET Reactive Extensions?
... are any message to process
For option 1, easy, we just wrap it with the appropriate FromEvent method and we are done. To the Pub!
For option 2, we now need to consider how we poll this and how to do this effciently. Also when we get the value, how do we publish it?
I would imagine that you woul...
Is volatile expensive?
...rites can in fact be faster then with multiple processors. There are some applications that would in fact run faster concurrently with a single CPU then multiple.
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Mail multipart/alternative vs multipart/mixed
... else
cids.put(fileName,cid);
matcherCssUrl.appendReplacement(sb,replacement.replace("@cid",cid));
}
matcherCssUrl.appendTail(sb);
html = sb.toString();
return html;
}
private String getFileName(String fileName) {
if (fi...
Do sessions really violate RESTfulness?
...
First, let's define some terms:
RESTful:
One can characterise applications conforming to the REST constraints
described in this section as "RESTful".[15] If a service violates any
of the required constraints, it cannot be considered RESTful.
according to wikipedia.
stateless const...
What is a reasonable code coverage % for unit tests (and why)? [closed]
... smiled, bowed,
and left.
...
After this last reply, a young
apprentice approached the great
master:
“Great master, today I overheard you answer the same question about
code coverage with three different
answers. Why?”
The great master stood up from his
chair:
...
Where do you store your salt strings?
...ers. What about a salt that is stored as an XML file that is loaded by the App Server? or maybe somehow hardcoded into a servlet?
– jigzat
Jul 25 '12 at 2:58
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