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Call a stored procedure with parameter in c#
...
cmd.Parameters.Add(String parameterName, Object value) is deprecated now. Instead use cmd.Parameters.AddWithValue(String parameterName, Object value)
Add(String parameterName, Object value) has been deprecated. Use AddWithValue(String parame...
Which method performs better: .Any() vs .Count() > 0?
...:
class TestTable
{
[Key]
public int Id { get; set; }
public string Name { get; set; }
public string Surname { get; set; }
}
Test code:
class Program
{
static void Main()
{
using (var context = new TestContext())
{
context.Database.Log = Cons...
Can I escape a double quote in a verbatim string literal?
In a verbatim string literal (@"foo") in C#, backslashes aren't treated as escapes, so doing \" to get a double quote doesn't work. Is there any way to get a double quote in a verbatim string literal?
...
Declaration/definition of variables locations in ObjectiveC?
...In ObjC, they should only be used to declare constants, and generally only string constants. For instance:
extern NSString * const MYSomethingHappenedNotification;
You would then in your .m file declare the actual constant:
NSString * const MYSomethingHappenedNotification = @"MYSomethingHappened...
What is %2C in a URL?
...mma (,).
You should use your language's URL encoding methods when placing strings in URLs.
You can see a handy list of characters with man ascii. It has this compact diagram available for mapping hexadecimal codes to the character:
2 3 4 5 6 7
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0: 0 @ P ` p
1:...
MFC学习总结 (90个技巧) dlg 上建立View - C/C++ - 清泛网 - 专注C++内核技术
...在.cpp文件的OnInitDialog()之类的函数里实现如下代码：
CString strname[3];
strname[0]="Screen Name";
strname[1]="Form ID";
strname[2]="Category Path";
for(int i=0;i<3;i++)
{
m_List.InsertColumn(i,strname[i],LVCFMT_LEFT,130);
}
在这之前也要将List Control的ID与Cl...
How do I POST JSON data with cURL?
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Using cUrl with inline json Strings seems to be a nightmare. There's the need to scape the double quote character. Going with a file like this is nicer.
– Xtreme Biker
Jun 26 '14 at 10:26
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split string in to 2 based on last occurrence of a separator
...ould like to know if there is any built in function in python to break the string in to 2 parts, based on the last occurrence of a separator.
...
Sending Email in Android using JavaMail API without using the default/built-in app
...public class GMailSender extends javax.mail.Authenticator {
private String mailhost = "smtp.gmail.com";
private String user;
private String password;
private Session session;
static {
Security.addProvider(new com.provider.JSSEProvider());
}
...
When is it appropriate to use UDP instead of TCP? [closed]
...l data amount transmitted was about the same for both IP and TCP. We have extra overhead with the UDP communications because we have some of the same stuff that you get for "free" with TCP/IP (checksums, sequence numbers, etc.). For example, Wireshark showed that a request for the next set of reco...