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How to escape % in String.Format?
I am storing a SQL query in my strings.xml file and I want to use String.Format to build the final string in code. The SELECT statement uses a like, something like this:
...
Read data from SqlDataReader
...er rdr = cmd.ExecuteReader())
{
while (rdr.Read())
{
var myString = rdr.GetString(0); //The 0 stands for "the 0'th column", so the first column of the result.
// Do somthing with this rows string, for example to put them in to a list
listDeclaredElsewhere.Add(myString...
Remove all whitespaces from NSString
I've been trying to get rid of the white spaces in an NSString , but none of the methods I've tried worked.
11 Answers
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What is a plain English explanation of “Big O” notation?
...up them by matching color and pattern. We then exploit this to avoid doing extra work later (comparing puzzle pieces of like color to each other, not to every other single puzzle piece).
The moral of the story: a data structure lets us speed up operations. Even more, advanced data structures can l...
How to check if an appSettings key exists?
...urationManager.AppSettings[name] != null)
{
// Now do your magic..
}
or
string s = ConfigurationManager.AppSettings["myKey"];
if (!String.IsNullOrEmpty(s))
{
// Key exists
}
else
{
// Key doesn't exist
}
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Different names of JSON property during serialization and deserialization
... ObjectMapper();
System.out.println("Serialization: " + mapper.writeValueAsString(c));
Coordinates r = mapper.readValue("{\"red\":25}",Coordinates.class);
System.out.println("Deserialization: " + r.getR());
Result:
Serialization: {"r":5}
Deserialization: 25
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Check if a string is a date value
... Sorry @Asmor, this is not a correct answer. Date.parse will parse any string with a number it in.
– jwerre
Mar 10 '14 at 16:01
12
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How to hash a string into 8 digits?
Is there anyway that I can hash a random string into a 8 digit number without implementing any algorithms myself?
4 Answers...
Populating Spring @Value during Unit Test
...s.
@see JavaDoc: ReflectionTestUtils.setField(java.lang.Object, java.lang.String, java.lang.Object)
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C# 4.0 optional out/ref arguments
...ters, and which just calls your current method.
public bool SomeMethod(out string input)
{
...
}
// new overload
public bool SomeMethod()
{
string temp;
return SomeMethod(out temp);
}
If you have C# 7.0, you can simplify:
// new overload
public bool SomeMethod()
{
return SomeMetho...