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node.js execute system command synchronously
...FI = require("node-ffi");
var libc = new FFI.Library(null, {
"system": ["int32", ["string"]]
});
var run = libc.system;
run("echo $USER");
[EDIT Jun 2012: How to get STDOUT]
var lib = ffi.Library(null, {
// FILE* popen(char* cmd, char* mode);
popen: ['pointer', ['string', 'string']],
...
How to get the current date without the time?
...
string now = Convert.ToString(DateTime.Now.ToShortDateString());
Console.WriteLine(now);
Console.ReadLine();
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Precision String Format Specifier In Swift
...ion so far, following from David's response:
import Foundation
extension Int {
func format(f: String) -> String {
return String(format: "%\(f)d", self)
}
}
extension Double {
func format(f: String) -> String {
return String(format: "%\(f)f", self)
}
}
let so...
How to create a file in Android?
How to create a file, write data into it and read data from it on Android? If possible provide a code snippet.
4 Answers
...
Replacement for Google Code Search? [closed]
...
Nobody used it to be honest. I may bring it back after I convert the code over in time.
– Ben Boyter
Jan 20 '17 at 2:04
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Get spinner selected items text?
...public void onItemSelected(AdapterView<?> parent,
View view, int pos, long id) {
Toast.makeText(parent.getContext()), "The planet is " +
parent.getItemAtPosition(pos).toString(), Toast.LENGTH_LONG).show();
}
public void onNothingSelected(AdapterView parent) {
...
The object cannot be deleted because it was not found in the ObjectStateManager
... propergate on Kjartans explanation:
I had:
public Project DeleteProject(int id)
{
using (var context = new Context())
{
var p = GetProject(id);
context.Projects.Remove(p);
context.SaveChanges();
return p;
}
}
The pr...
In SQL, what's the difference between count(column) and count(*)?
...ot
[edit] added this code so that people can run it
create table #bla(id int,id2 int)
insert #bla values(null,null)
insert #bla values(1,null)
insert #bla values(null,1)
insert #bla values(1,null)
insert #bla values(null,1)
insert #bla values(1,null)
insert #bla values(null,null)
select count(*),...
Separate Back Stack for each tab in Android using Fragments
...in the framework. For an example try paying attention to how the back key interacts with the standard browser in the various ways you can go in and out of it. (Each "window" in the browser is essentially a tab.)
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Simple proof that GUID is not unique [closed]
...se the ram we allocated up front.
// Actually, these are pointless too.
//GC.KeepAlive(reserveSomeRam);
//GC.Collect();
}
Console.WriteLine("{0:u} - Built bigHeapOGuids, contains {1} of them.", DateTime.Now, bigHeapOGuids.LongCo...