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“std::endl” vs “\n”
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@Omnifarious: No std::cerr should be reserved for errors. The two streams are not synced together so if you output some text to cout it may be buffered and the cerr will go direct to the output this resulting in a mixed mode display. Use cerr for what it is supposed to be fo...
join list of lists in python [duplicate]
Is the a short syntax for joining a list of lists into a single list( or iterator) in python?
15 Answers
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examining history of deleted file
... This doesn't seem to work for deleted files. If I try this, I get this error message: svn cat [url]/trunk/include/syeka/poster_funk.incl.php -r 50 > out.txt svn: '/admintools/!svn/bc/131/trunk/include/syeka/poster_funk.incl.php' path not found See @Bert Huijben's response further down this...
What's the difference between a Future and a Promise?
...;
})
...
.then(function(result){
console.log(result);
})
.catch(function(error){
console.log(error);
})
which makes asynchronous computation to look like synchronous:
try {
op1Result = syncOp1();
// do something
op1Result = syncOp2();
// do something more
op3Result = syncOp3();
//...
Inputting a default image in case the src attribute of an html is not valid?
...e. Maybe you wanna use JQuery to hook the event.
<img src="foo.jpg" onerror="if (this.src != 'error.jpg') this.src = 'error.jpg';">
Updated with jacquargs error guard
Updated: CSS only solution
I recently saw Vitaly Friedman demo a great CSS solution I wasn't aware of. The idea is to appl...
(grep) Regex to match non-ASCII characters?
... PCRE.
– Alix Axel
Jan 23 '10 at 20:05
10
That's exactly right. However you have to use pcregrep,...
How can I reverse a list in Python?
How can I do the following in Python?
35 Answers
35
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Tools to selectively Copy HTML+CSS+JS From A Specific Element of DOM [closed]
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– Steve Campbell
Sep 10 '12 at 13:05
1
This is great, just misses the root element. Add this to...
Difference between method and function in Scala
... example:
scala> val f = () => { return "test" }
<console>:4: error: return outside method definition
val f = () => { return "test" }
^
Returning from a function defined in a method does a non-local return:
scala> def f: String = { ...
How do I map lists of nested objects with Dapper
I'm currently using Entity Framework for my db access but want to have a look at Dapper. I have classes like this:
7 Answer...