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Logic to test that 3 of 4 are True
... seems natural to me that the value 3 appears somewhere.
For instance, in C++:
if ((int)a + (int)b + (int)c + (int)d == 3)
...
This is well defined in C++: the standard (§4.7/4) indicates that converting bool to int gives the expected values 0 or 1.
In Java and C#, you can use the followin...
Windows batch file file download from a URL
...at you're trying to do: BITS. It has been included in Windows since XP and 2000 SP3.
Run:
bitsadmin.exe /transfer "JobName" http://download.url/here.exe C:\destination\here.exe
The job name is simply the display name for the download job - set it to something that describes what you're doing.
...
Can anyone explain what JSONP is, in layman terms? [duplicate]
...echange = function () {
if (xhr.readyState == 4 && xhr.status == 200) {
// success
};
};
xhr.open("GET", "somewhere.php", true);
xhr.send();
JSONP Request:
var tag = document.createElement("script");
tag.src = 'somewhere_else.php?callback=foo';
document.getElementsByTagName("hea...
How do I make a fully statically linked .exe with Visual Studio Express 2005?
My current preferred C++ environment is the free and largely excellent Microsoft Visual Studio 2005 Express edition. From time to time I have sent release .exe files to other people with pleasing results. However recently I made the disturbing discovery that the pleasing results were based on more l...
Pretty-print C++ STL containers
...streams.
Finally, I've used std::enable_if, which is available as part of C++0x, and works in Visual C++ 2010 and g++ 4.3 (needs the -std=c++0x flag) and later. This way there is no dependency on Boost.
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How create table only using tag and Css
...; /* fix for buggy browsers */
display: table-column;
width: 200px;
background-color: #ccc;
}
Runnable snippet:
.div-table {
display: table;
width: auto;
background-color: #eee;
border: 1px solid #666666;
border-spa...
do {…} while(false)
...o out of a block most definitely causes local variables to be destroyed in C++, same as break. And in C variables aren't really destroyed, their stack space is simply reclaimed.
– Ben Voigt
Feb 23 '10 at 16:00
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C libcurl get output into a string
...
for C++ std::string go here
– Trevor Boyd Smith
Sep 4 '18 at 14:40
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Mongoose query where value is not null
... // docs contains your answer
res.json({
code: 200,
profiles: profiles,
page: page
})
})
.select(exclude)
.populate({
path: 'user',
select: '-password -verified -_id -__v'
...
What is “missing” in the Visual Studio 2008 Express Editions?
...ling or test framework support
No MFC/ATL support
No support for compiling C++ to 64-bit images (workaround is to install Windows SDK which is free)
NOTE: it is often said that the Express EULA does not permit commercial development - that is not true (Visual Studio Express FAQ Item 7)
...