大约有 47,000 项符合查询结果（耗时：0.0630秒） [XML]
Python string class like StringBuilder in C#?
...
103
There is no one-to-one correlation. For a really good article please see Efficient String Conc...
Can Visual Studio 2012 be installed side-by-side w/ Visual Studio 2010?
Will Visual Studio 2012 interfere/break .NET 4 and/or Visual Studio 2010 if installed side-by-side on the same instance of Windows?
...
Ant task to run an Ant target only if a file exists?
...
200
Available and Condition
<target name="check-abc">
<available file="abc.txt" prope...
What is the iBeacon Bluetooth Profile
...
For an iBeacon with ProximityUUID E2C56DB5-DFFB-48D2-B060-D0F5A71096E0, major 0, minor 0, and calibrated Tx Power of -59 RSSI, the transmitted BLE advertisement packet looks like this:
d6 be 89 8e 40 24 05 a2 17 6e 3d 71 02 01 1a 1a ff 4c 00 02 15 e2 c5 6d b5 df fb 48 d2 b0 60 ...
Select n random rows from SQL Server table
I've got a SQL Server table with about 50,000 rows in it. I want to select about 5,000 of those rows at random. I've thought of a complicated way, creating a temp table with a "random number" column, copying my table into that, looping through the temp table and updating each row with RAND() , and ...
MongoDB aggregation framework match OR
...
170
$match: { $or: [{ author: 'dave' }, { author: 'john' }] }
Like so, since the $match operator j...
ASP.NET: HTTP Error 500.19 – Internal Server Error 0x8007000d
...eb application deployment and found several issues related to HTTP Error 500.19 . My machine is running Windows 7 while the working development is using Windows 8 . We're developing our Web Application using Visual Studio 2010 .
...
How do I make UITableViewCell's ImageView a fixed size even when the image is smaller
... of images I am using for cell's image views, they are all no bigger than 50x50. e.g. 40x50, 50x32, 20x37 .....
16 Answe...
django : using select_related and get_object_or_404 together
Is there any way of using get_object_or_404 and select_related together or any other way to achieve the result of using these two together(except from putting it in try/except)??
...
How come a non-const reference cannot bind to a temporary object?
...
100
From this Visual C++ blog article about rvalue references:
... C++ doesn't want you to acci...