大约有 43,000 项符合查询结果（耗时：0.0645秒） [XML]
What is an IndexOutOfRangeException / ArgumentOutOfRangeException and how do I fix it?
...var command = connection.CreateCommand()) {
command.CommandText = "SELECT MyColumn1, MyColumn2 FROM MyTable";
using (var reader = command.ExecuteReader()) {
while (reader.Read()) {
ProcessData(reader.GetString(2)); // Throws!
}
}
}...
Using StringWriter for XML Serialization
...n="1.0" encoding="utf-16"?>
<string>Test ሴ????</string>';
SELECT @Xml;
-- <string>Test ሴ????</string>
As you can see, it even handles characters beyond standard ASCII, given that ሴ is BMP Code Point U+1234, and ???? is Supplementary Character Code Point U+1F638. Ho...
Understanding the Event Loop
... of queues of stuff that needs doing and every "tick" of the event loop it selects one, removes it from the queue, and runs it.
A key thing to understand is that node relies on the OS for most of the heavy lifting. So incoming network requests are actually tracked by the OS itself and when node is ...
Logging levels - Logback - rule-of-thumb to assign log levels
....
from logback documentation:
In a more graphic way, here is how the selection rule works. In the following table, the vertical header shows the level of the logging request, designated by p, while the horizontal header shows effective level of the logger, designated by q. The intersection of ...
Git Symlinks in Windows
... which finds all of the symlinks throughout the repository, as before) for selectively transforming git symlinks into NTFS hardlinks+junctions.
The checkout-symlinks alias has also been updated to accept multiple arguments (or none at all, == everything) for selective reversal of the aforementioned ...
How to play a local video with Swift?
...ng your video is into the Bundle
Open the Project Navigator cmd + 1
Then select your project root > your Target > Build Phases > Copy Bundle Resources.
Your video MUST be here. If it's not, then you should add it using the plus button
3. Code
Open your View Controller and write this ...
REST vs JSON-RPC? [closed]
...hine whose API is CREATE CUP, than another that would contain INSERT COIN, SELECT COFFEE, SELECT SUGAR, and START. In the second API, because it depends on the machine state, you have to be very careful with the sequence of procedure calls.
– Aurélien
May 2 '1...
How to elegantly deal with timezones
... }
...
}
4 - Here we can get the list of timezone to show to user to select from a dropdownbox:
public class ListHelper
{
public IEnumerable<SelectListItem> GetTimeZoneList()
{
var list = from tz in TimeZoneInfo.GetSystemTimeZones()
select new SelectLi...
How to access property of anonymous type in C#?
...GetType();
var properties = type?.GetProperties()
?.Select(n => n.Name)
?.ToDictionary(k => k, k => type.GetProperty(k).GetValue(obj, null));
return properties;
}
// converts object list into list of properties that meet the filterCrite...
How do I stop Skype from using HTTP or HTTPS ports 80 and 443? [closed]
...t 80 and port 443, open the Skype window, then click on the Tools menu and select Options. Click on the Advanced tab, and go to the Connection sub-tab. Untick or uncheck the checkbox for Use port 80 and 443 as an alternative for additional incoming connections option. Click on the Save button and th...