大约有 40,000 项符合查询结果（耗时：0.0500秒） [XML]
How to empty a list in C#?
...
Can you verify that setting list = new List<>() is actually slower than list.Clear();? According to MSDN (link below) list.Clear(); is an O(N) operation, and I can't imagine instantiating a new list would take longer than that. msdn.micr...
Update an outdated branch against master in a Git repo
... editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
...
Search of table names
I use the following to search for strings in my stored procedures:
9 Answers
9
...
No newline at end of file
When doing a git diff it says "No newline at end of file" .
12 Answers
12
...
Best practices to handle routes for STI subclasses in rails
...
You can setup routes programatically in your routes.rb file, so you could do a little meta programming to setup the child routes. However, in environments where classes aren't cached (e.g. development) you need to pre-load the classe...
How to print out a variable in makefile
...o change a variable.) Good formatting will help clarify what a variable is set to, and the $(flavor) function will tell you what kind of a variable something is. So in this rule:
print-% : ; $(info $* is a $(flavor $*) variable set to [$($*)]) @true
$* expands to the stem that the % pattern matc...
Regular expression to match DNS hostname or IP Address?
Does anyone have a regular expression handy that will match any legal DNS hostname or IP address?
21 Answers
...
What is AssemblyInfo.cs used for?
...
After successfull build in project settings, you can call some .exe to update this number (so it will be the version number for next release, not the one just built). Have a look at: codeproject.com/Articles/31236/…
– Francois
...
MySQL indexes - what are the best practices?
...where column starts with "foo", and then need to scan that intermediate rowset to find the subset that contains "bar". SELECT ... WHERE column LIKE '%bar%' can't use the index. I hope you can see why.
Finally, you need to start thinking about indexes on more than one column. The concept is the s...
Why does mongoose always add an s to the end of my collection name
...el name. If you don't like this behavior, either pass a collection name or set your schemas collection name option.
Example:
var schema = new Schema({ name: String }, { collection: 'actor' });
or
schema.set('collection', 'actor');
or
var collectionName = 'actor'
var M = mongoose.model('Actor...