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how to provide a swap function for my class?
...found through ADL
// some code ...
swap(lhs, rhs); // unqualified call, uses ADL and finds a fitting 'swap'
// or falls back on 'std::swap'
// more code ...
}
Is the proper way to provide a swap function for your class.
namespace Foo {
class Bar{}; // dummy
void ...
Is it a bad practice to catch Throwable?
...reep away this way.
Besides, Throwable covers Error as well and that's usually no point of return. You don't want to catch/handle that, you want your program to die immediately so that you can fix it properly.
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Cannot find or open the PDB file in Visual Studio C++ 2010
...kbox "Microsoft Symbol Servers", Visual Studio will download PDBs automatically. Or you may just ignore these warnings if you don't need to see correct call stack in these modules.
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Why is Maven downloading the maven-metadata.xml every time?
Below is the error I usually get when my internet connection is flanky when trying to build a web application with maven.
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How to fix: “HAX is not working and emulator runs in emulation mode”
...r has to be lower or equal to the memory usage you have set during the installation of HAXM. You can launch its installation again to modify it.
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How to center an element horizontally and vertically
I am trying to center my tabs content vertically, but when I add the CSS style display:inline-flex , the horizontal text-align disappears.
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Error: request entity too large
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I had the same error recently, and all the solutions I've found did not work.
After some digging, I found that setting app.use(express.bodyParser({limit: '50mb'})); did set the limit correctly.
When adding a console.log('Limit file size: '+limit); in node_m...
How can I shuffle the lines of a text file on the Unix command line or in a shell script?
... well, you get the picture. It has been pointed out that sort -R doesn't really shuffle but instead sort items according to their hash value.
[Editor's note: sort -R almost shuffles, except that duplicate lines / sort keys always end up next to each other. In other words: only with unique input lin...
mongodb, replicates and error: { “$err” : “not master and slaveOk=false”, “code” : 13435 }
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You have to set "slave okay" mode to let the mongo shell know that you're allowing reads from a secondary. This is to protect you and your applications from performing eventually consistent reads by accident. You can do this in the shell with:
rs.slaveOk()
After that you can query normally from ...
What are the pros and cons of the leading Java HTML parsers? [closed]
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General
Almost all known HTML parsers implements the W3C DOM API (part of the JAXP API, Java API for XML processing) and gives you a org.w3c.dom.Document back which is ready for direct use by JAXP API. The major differences are usually to b...