大约有 15,630 项符合查询结果（耗时：0.0310秒） [XML]
How to safely call an async method in C# without await
... } } Usage: MyAsyncMethod().PerformAsyncTaskWithoutAwait(t => log.ErrorFormat("An error occurred while calling MyAsyncMethod:\n{0}", t.Exception));
– Mark Avenius
Jun 24 '15 at 14:13
...
constant pointer vs pointer on a constant value [duplicate]
..." data
ptr = 0; // OK: modifies the pointer
*ptrToConst = 0; // Error! Cannot modify the "pointee" data
ptrToConst = 0; // OK: modifies the pointer
*constPtr = 0; // OK: modifies the "pointee" data
constPtr = 0; // Error! Cannot modify the pointer
*constPtrToConst = ...
What is the worst real-world macros/pre-processor abuse you've ever come across?
... to do a quick ten pushups. He explained this last one as "Compiler found error in code. This is punishment".
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edited May 24 '10 at 20:05
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Writing files in Node.js
...e, and I tried changing the file path to "/home/", but I got the following error: { [Error: EACCES, open '/home/test.txt'] errno: 3, code: 'EACCES', path: '/home/test.txt' } How can I modify this script so that it will work outside of /tmp?
– Anderson Green
Se...
git stash -> merge stashed change with current changes
...are also changed in the working copy, in which case you would've seen this error message:
error: Your local changes to the following files would be overwritten by merge:
file.txt
Please, commit your changes or stash them before you can merge.
Aborting
In that case, you can't apply the stas...
Can't find the 'libpq-fe.h header when trying to install pg gem
...SQL, but the problem is installing the pg gem. It gives me the following error:
41 Answers
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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();
//...
Excel “External table is not in the expected format.”
...code shown below. I get an "External table is not in the expected format." error unless I have the file already open in Excel. In other words, I have to open the file in Excel first before I can read if from my C# program. The xlsx file is on a share on our network. How can I read the file without h...
Python unit test with base and sub class
...I think the setUpClass method below is the best and is less prone to human error. Either that or wrapping the BaseTest class in a container class which is a bit more hacky but avoids the skip message in the test run printout.
– David Sanders
Oct 17 '14 at 16:2...
How to normalize a NumPy array to within a certain range?
...erently. E.g. interpolate the value, replacing in with e.g. 0, or raise an error.
Finally, worth mentioning even if it's not OP's question, standardization:
e = (a - np.mean(a)) / np.std(a)
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