大约有 47,000 项符合查询结果（耗时：0.0455秒） [XML]
How to sort an array by a date property
...e);
});
More Generic Answer
array.sort(function(o1,o2){
if (sort_o1_before_o2) return -1;
else if(sort_o1_after_o2) return 1;
else return 0;
});
Or more tersely:
array.sort(function(o1,o2){
return sort_o1_before_o2 ? -1 : sort_o1_after_o2 ? 1 : 0;
});
Generi...
Guaranteed lifetime of temporary in C++?
Does C++ provide a guarantee for the lifetime of a temporary variable that is created within a function call but not used as a parameter? Here's an example class:
...
How can I initialize base class member variables in derived class constructor?
... and b in B because they are not members of B. They are members of A, therefore only A can initialize them. You can make them public, then do assignment in B, but that is not a recommended option since it would destroy encapsulation. Instead, create a constructor in A to allow B (or any subclass of ...
How to query MongoDB with “like”?
...": /.*m.*/})
or, similar:
db.users.find({"name": /m/})
You're looking for something that contains "m" somewhere (SQL's '%' operator is equivalent to Regexp's '.*'), not something that has "m" anchored to the beginning of the string.
note: mongodb uses regular expressions which are more powerfu...
How to find the Windows version from the PowerShell command line
...ccess the OSVersion property of the System.Environment class to get this information. For the version number, there is the Version property.
For example,
PS C:\> [System.Environment]::OSVersion.Version
Major Minor Build Revision
----- ----- ----- --------
6 1 7601 65536
Det...
How to determine SSL cert expiration date from a PEM encoded certificate?
...ctual file and a Bash shell in Mac or Linux, how can I query the cert file for when it will expire? Not a web site, but actually the certificate file itself, assuming I have the csr, key, pem and chain files.
...
Merge, update, and pull Git branches without using checkouts
...hes, A and B. I typically work on branch A, and merge stuff from branch B. For the merging, I would typically do:
17 Answer...
Convert JavaScript string in dot notation into an object reference
...a sign that there is something very wrong going on (unless maybe you're performing some strange deserialization).
That is to say, novices who find their way to this answer must ask themselves the question "why am I doing this?"
It is of course generally fine to do this if your use case is ...
Detecting iOS / Android Operating system
...is question has come up, but not in the way I intend. I'm building a page for a client that is a QR code landing, which is a place to download an application. So he doesn't have to print out 2 QR codes on a page, I'd like to detect the current operating system (Apple/Android/Other[not supported]) ...
How to disable Golang unused import error
By default, Go treats unused import as error, forcing you to delete the import.
I want to know if there exists some hope to change to this behavior, e.g. reducing it to warning.
...