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How do I save a UIImage to a file?
...PathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *filePath = [[paths objectAtIndex:0] stringByAppendingPathComponent:@"Image.png"];
// Save image.
[UIImagePNGRepresentation(image) writeToFile:filePath atomically:YES];
Core Data has nothing to do with saving images...
Linux日志管理Rsyslog入门 - C/C++ - 清泛网移动版 - 专注C/C++及内核技术
...设置App服务器：
module(load="imtcp")
template(name="msg" type="string" string="%msg:2:$%\n")
ruleset(name="analysis") {
action(type="omfile"
File="/path/to/access.log"
Template="msg")
stop
}
input(type="imtcp"
Port="<PORT>"
Ruleset="analysis...
How do I get the calling method name and type using reflection? [duplicate]
...le:
public class SomeClass
{
public void SomeMethod([CallerMemberName]string memberName = "")
{
Console.WriteLine(memberName); //output will be name of calling method
}
}
share
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...
Difference between shadowing and overriding in C#?
...example:-
public class Foo
{
internal Foo() { }
protected virtual string Thing() { return "foo"; }
}
public class Bar : Foo
{
internal new string Thing() { return "bar"; }
}
To an external inheritor of Bar, Foo's implementation of Thing() remains accesible and overridable. All legal an...
Easy way to print Perl array? (with a little formatting)
...struct says what it means, with a high degree of clarity and legibility:
$string = join ', ', @array;
print "$string\n";
This construct is documented in perldoc -fjoin.
However, I've always liked how simple $, makes it. The special variable $" is for interpolation, and the special variable $, ...
How to extract request http headers from a request using NodeJS connect
...
To see a list of HTTP request headers, you can use :
console.log(JSON.stringify(req.headers));
to return a list in JSON format.
{
"host":"localhost:8081",
"connection":"keep-alive",
"cache-control":"max-age=0",
"accept":"text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=...
How do you test private methods with NUnit?
...eType, NUnit does not. What I do instead is:
private MethodInfo GetMethod(string methodName)
{
if (string.IsNullOrWhiteSpace(methodName))
Assert.Fail("methodName cannot be null or whitespace");
var method = this.objectUnderTest.GetType()
.GetMethod(methodName, BindingFlags....
How to define multiple CSS attributes in jQuery?
...re any syntactical way in jQuery to define multiple CSS attributes without stringing everything out to the right like this:
...
Add 10 seconds to a Date
... Beware, my Nodejs installation returns d.getSeconds() as a string. I had to change this to (+d.getSeconds()) The unary plus converts a string to a number. Perhaps a little more obvious would be 1*d.getSeconds()
– tqwhite
Nov 30 '16 at 21:41
...
Is the order of elements in a JSON list preserved?
...unordered collection of zero or more name/value
pairs, where a name is a string and a value is a string, number,
boolean, null, object, or array.
An array is an ordered sequence of zero or more values.
The terms "object" and "array" come from the conventions of
JavaScript.
Some imp...