大约有 19,000 项符合查询结果（耗时：0.0337秒） [XML]
Connection to SQL Server Works Sometimes
...mpt succeeds or fails. The connection is using a connection string in the form:
22 Answers
...
Sort array of objects by single key with date value
... use Array.sort.
Here's an example:
var arr = [{
"updated_at": "2012-01-01T06:25:24Z",
"foo": "bar"
},
{
"updated_at": "2012-01-09T11:25:13Z",
"foo": "bar"
},
{
"updated_at": "2012-01-05T04:13:24Z",
"foo": "bar"
}
]
arr.sort(function(a, b) {
v...
What is more efficient? Using pow to square or just multiply it with itself?
... cout << "\n" << x << "\n";
}
Results are:
1 00:00:01.126008 00:00:01.128338
2 00:00:01.125832 00:00:01.127227
3 00:00:01.125563 00:00:01.126590
4 00:00:01.126289 00:00:01.126086
5 00:00:01.126570 00:00:01.125930
2.45829e+54
Note that I accumulate the result of every p...
MySQL: #126 - Incorrect key file for table
...he issue:
Display all file systems and their disk usage in human readable form:
df -h
Find the processes that have files open in /tmp
sudo lsof /tmp/**/*
Then umount /tmp and /var/tmp:
umount -l /tmp
umount -l /var/tmp
Then remove the corrupt partition file:
rm -fv /usr/tmpDSK
Then crea...
How to find NSDocumentDirectory in Swift?
...tDirectory, .userDomainMask, true).first {
//This gives you the string formed path
}
if let documentsPathURL = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask).first {
//This gives you the URL of the path
}
...
Access “this” from Java anonymous class
...xchange.using('gps', function() { StackExchange.gps.track('embedded_signup_form.view', { location: 'question_page' }); });
$window.unbind('scroll', onScroll);
}
};
...
Storing sex (gender) in database
I want to store a user's gender in a database with as little (size/performance) cost as possible.
8 Answers
...
Should .nuget folder be added to version control?
...he release of NuGet 4.x and .NET Standard 2.0, when you use the new csproj format you can now use package references, ironically reintroducing the dependency on msbuild to restore packages, but now packages are a first class citizen of msbuild. The link above also makes mention of the PackageRefere...
Running multiple async tasks and waiting for them all to complete
...2);
The main difference between Task.WaitAll and Task.WhenAll is that the former will block (similar to using Wait on a single task) while the latter will not and can be awaited, yielding control back to the caller until all tasks finish.
More so, exception handling differs:
Task.WaitAll:
At least...
Add line break to 'git commit -m' from the command line
...mit -m $'first line\nsecond line'
From the Bash manual:
Words of the form $'string' are treated specially. The word expands to
string, with backslash-escaped characters replaced as specified by the
ANSI C standard.
This includes support for newlines as shown above, plus hex and Unicode c...