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Is it safe to remove selected keys from map within a range loop?
...
I was wondering if a memory leak could happen. So I wrote a test program:
package main
import (
log "github.com/Sirupsen/logrus"
"os/signal"
"os"
"math/rand"
"time"
)
func main() {
log.Info("=== START ===")
defer func() { log.Info("=== DONE ===") }()
...
Verify a certificate chain using openssl verify
...the signing certificate. But this is highly unlikely in the WWW.
For this test port 4433 must be unused on your workstation. And better only run this in a secure environment, as it opens port 4433 shortly to the public, which might see foreign connects in a hostile environment.
How to create the...
SVN how to resolve new tree conflicts when file is added on two branches
...esign document:
XFAIL conflict from merge of add over versioned file
This test does a merge which brings a file addition without history onto an
existing versioned file.
This should be a tree conflict on the file of the 'local obstruction, incoming add upon merge' variety. Fixed expectations in r35...
How do pointer to pointers work in C?
...e a pointer to a 2 dimensional array instead.
Why it's dangerous?
void test()
{
double **a;
int i1 = sizeof(a[0]);//i1 == 4 == sizeof(double*)
double matrix[ROWS][COLUMNS];
int i2 = sizeof(matrix[0]);//i2 == 240 == COLUMNS * sizeof(double)
}
Here is an example of a pointer to a 2 dime...
What is Rack middleware?
...-19 22:39:26] INFO WEBrick::HTTPServer#start: pid=16121 port=9292
Let's test our new JSON server by either curling or visiting the url http://localhost:9292/hello.json and voila:
$ curl http://localhost:9292/hello.json
{ message: "Hello!" }
It works. Great! That's the basis for every web frame...
The difference between fork(), vfork(), exec() and clone()
... (and POSIX.1-2008 removes vfork from the spec entirely). If you happen to test your code on a system that synonymizes them (e.g. most post-4.4 BSDs aside from NetBSD, pre-2.2.0-pre6 Linux kernels, etc.), it may work even if you violate the vfork contract, then explode if you run it elsewhere. Some ...
App.Config Transformation for projects which are not Web Projects in Visual Studio?
... and Deployment projects in VS 2010
Works with VS2010, 2013, 2015 (didn't test 2012 although should work as well).
Works with Team Build. (You must install either A) Visual Studio or B) Microsoft.Web.Publishing.targets and Microsoft.Web.Publishing.Tasks.dll)
This solution works by performing the...
PHP $_SERVER['HTTP_HOST'] vs. $_SERVER['SERVER_NAME'], am I understanding the man pages correctly?
...ng on HTTPS (unless you're running on a non-standard port, which I haven't tested).
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const vs constexpr on variables
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I am sure as far as the examples I wrote go (tested each of them before posting). However my compiler does let me convert PI1 to a compile-time integral constant for use in an array, but not for use as a non-type integral template parameter. So the compile-time conver...
How to make an array of arrays in Java
...eight];
_buffer = new LinkedList<T>();
}
/**
* Tests the existence of the encapsulated object
* /!\ This DOES NOT ensure that the object will be available on next call !
* @param x
* @param y
* @return
* @throws IndexOutOfBoundsException
*/pu...