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Why do we need C Unions?
...s are often used to convert between the binary representations of integers and floats:
union
{
int i;
float f;
} u;
// Convert floating-point bits to integer:
u.f = 3.14159f;
printf("As integer: %08x\n", u.i);
Although this is technically undefined behavior according to the C standard (you'r...
How to remove first 10 characters from a string?
How to ignore the first 10 characters of a string?
12 Answers
12
...
How to serialize an object into a string
...hown in the next code snippet. I would like to serialize the object into a string and store into a database instead. Can anyone help me?
...
What's the difference between struct and class in .NET?
... its own copy.
This can be shown with an example:
struct MyStruct
{
string MyProperty { get; set; }
}
void ChangeMyStruct(MyStruct input)
{
input.MyProperty = "new value";
}
...
// Create value type
MyStruct testStruct = new MyStruct { MyProperty = "initial value" };
ChangeMyStruct(...
Access-Control-Allow-Origin Multiple Origin Domains?
Is there a way to allow multiple cross-domains using the Access-Control-Allow-Origin header?
31 Answers
...
Why is Swift compile time so slow?
...ictionary
dic.addEntriesFromDictionary([
"url" : self.url?.absoluteString ?? "",
"title" : self.title ?? ""
])
return dic.copy() as NSDictionary
because the property title was of type var title:String? and not NSString. The compiler was going crazy when adding it to the NS...
Remove specific commit
...hanged line 2"
1 files changed, 1 insertions(+), 1 deletions(-)
Then it all works as expected.
The second answer was very interesting. There is a feature which has not yet been officially released (though it is available in Git v1.7.2-rc2) called Revert Strategy. You can invoke git like this:
...
Failed to enable constraints. One or more rows contain values violating non-null, unique, or foreign
...others. For the other fields I provided dummy data including, for example, strings of length one. The DAL inferred the schema from that initial record. Records following with strings of length 12 failed.
share
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Can I change a private readonly field in C# using reflection?
...System;
using System.Reflection;
public class Test
{
private readonly string foo = "Foo";
public static void Main()
{
Test test = new Test();
FieldInfo field = typeof(Test).GetField
("foo", BindingFlags.Instance | BindingFlags.NonPublic);
field.SetVa...
Passing multiple variables in @RequestBody to a Spring MVC controller using Ajax
...pping(value = "/Test", method = RequestMethod.POST)
public boolean getTest(String str1, String str2)
First define a custom annotation, say @JsonArg, with the JSON path like path to the information that you want:
public boolean getTest(@JsonArg("/str1") String str1, @JsonArg("/str2") String str2)
...