大约有 13,000 项符合查询结果（耗时：0.0262秒） [XML]
How do I print to the debug output window in a Win32 app?
...tput is shown in the Output window. To actually see the output you have to select Debug from the Show output from dropdown. If you for some reason are running your process outside a debugger you can use DebugView to see debug output from all processes.
– Martin Liversage
...
Why doesn't Dictionary have AddRange?
...ined =
dict1.Union(dict2)
.GroupBy(kvp => kvp.Key)
.Select(grp => grp.First())
.ToDictionary(kvp => kvp.Key, kvp => kvp.Value);
The main trick when combining dictionaries is dealing with the duplicate keys. In the code above it's the part .Select(grp => g...
How to leave a message for a github.com user
.../,'$1')}/events/public`).then(e=> e.json()).then(e => [...new Set([].concat.apply([],e.filter(x => x.type==='PushEvent').map(x => x.payload.commits.map(c => c.author.email)))).values()]).then(x => results.innerText = x)">GO</button>
<div id=results></div>
...
What is the difference between String.Empty and “” (empty string)?
... and String.Empty is the same length, the compiler doesn't optimize string concatenation (see Eric Lippert's blog post) for String.Empty arguments. The following equivalent functions
string foo()
{
return "foo" + "";
}
string bar()
{
return "bar" + string.Empty;
}
generate this IL
.met...
Is there any good dynamic SQL builder library in Java? [closed]
...ut making the query utterly unreadable? Do you have an example of a nested select in an IN / EXISTS clause, or of a self-join using aliases for the Sale entity, etc? I'm curious
– Lukas Eder
Apr 12 '11 at 5:54
...
How do I POST urlencoded form data with $http without jQuery?
...s the AngularJS-specific answer I was looking for. I wish the poster would select this as the best answer.
– Marty Chang
May 1 '16 at 4:08
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...
How to know if two arrays have the same values
...| _arr1.length !== _arr2.length)
return false;
var arr1 = _arr1.concat().sort();
var arr2 = _arr2.concat().sort();
for (var i = 0; i < arr1.length; i++) {
if (arr1[i] !== arr2[i])
return false;
}
return true;
}
Note that this doesn't modify or...
How to list the contents of a package using YUM?
... reading here
: if not heres a sample command to dump the contents
echo 'SELECT packages.name, GROUP_CONCAT(files.name, ", ") AS files FROM files JOIN packages ON (files.pkgKey = packages.pkgKey) GROUP BY packages.name LIMIT 10;' | sqlite3 -line /var/cache/yum/x86_64/7/base/gen/primary_db.sqlite
...
How does database indexing work? [closed]
...arising from the file systems size limits, careful thought must be used to select the correct fields to index.
Since indices are only used to speed up the searching for a matching field within the records, it stands to reason that indexing fields used only for output would be simply a waste of disk...
How can I delete the current line in Emacs?
...lest way to delete (kill) a full line, from any point
on the line, without selecting anything, is:
C-w ; kill-region
It is versatile in deleting whatever is selected, or a line by default
if nothing is selected.
Given the question, you're probably also interested in replicating
Vim's "yank", yy...