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Execute a terminal command from a Cocoa app
... launch];
NSData *data = [file readDataToEndOfFile];
[file closeFile];
NSString *grepOutput = [[NSString alloc] initWithData: data encoding: NSUTF8StringEncoding];
NSLog (@"grep returned:\n%@", grepOutput);
NSPipe and NSFileHandle are used to redirect the standard output of the task.
For more ...
Send POST data using XMLHttpRequest
...
Is it possible to send an object in params instead of a string like in jQuery?
– Vadorequest
Sep 7 '14 at 11:27
4
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What predefined macro can I use to detect clang?
...
Found the answer using strings + grep :
$ strings /usr/bin/clang | grep __ | grep -i clang
__clang__
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...
Does Swift support reflection?
...y playground:
import Foundation
class PureSwiftClass {
}
var myvar0 = NSString() // Objective-C class
var myvar1 = PureSwiftClass()
var myvar2 = 42
var myvar3 = "Hans"
println( "TypeName0 = \(_stdlib_getTypeName(myvar0))")
println( "TypeName1 = \(_stdlib_getTypeName(myvar1))")
println( "TypeName...
Get querystring from URL using jQuery [duplicate]
...
To retrieve the entire querystring from the current URL, beginning with the ? character, you can use
location.search
https://developer.mozilla.org/en-US/docs/DOM/window.location
Example:
// URL = https://example.com?a=a%20a&b=b123
console.log(l...
Define variable to use with IN operator (T-SQL)
...@c_pos);
while @n_pos > 0
begin
insert into @tab (item) values (SUBSTRING(@list,@c_pos+1,@n_pos - @c_pos-1));
set @c_pos = @n_pos;
set @l_pos = @n_pos;
set @n_pos = CHARINDEX(',',@list,@c_pos+1);
end;
insert into @tab (item) values (SUBSTRING(@list,@l_pos+1,4000));
return;
end;...
foreach vs someList.ForEach(){}
...vior. For this experiment, I am using .NET 4.7.2:
var names = new List<string>
{
"Henry",
"Shirley",
"Ann",
"Peter",
"Nancy"
};
Lets iterate over this with foreach first:
foreach (var name in names)
{
Console.WriteLine(name);
}
We could expand this into:
using (v...
How do I use reflection to invoke a private method?
...atic class AccessExtensions
{
public static object call(this object o, string methodName, params object[] args)
{
var mi = o.GetType ().GetMethod (methodName, System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance );
if (mi != null) {
r...
Explain the concept of a stack frame in a nutshell
... instructions to save, set up and restore frame pointers; it also makes an extra register available in many functions)
Intel C++ Compiler have the following:
-fomit-frame-pointer (Determines whether EBP is used as a general-purpose register in optimizations)
which has the following alias:
/O...
Android getting value from selected radiobutton
... android:layout_height="wrap_content"
android:text="@string/radio_male"
android:checked="true" />
<RadioButton
android:id="@+id/radioFemale"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
...