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Is there any difference between a GUID and a UUID?
... way as a UUID. For example, the RSS specification defines GUIDs to be any string of your choosing, as long as it's unique, with an "isPermalink" attribute to specify that the value you're using is just a permalink back to the item being syndicated.
...
How do I use valgrind to find memory leaks?
...the C code I wrote too:
#include <stdlib.h>
int main() {
char* string = malloc(5 * sizeof(char)); //LEAK: not freed!
return 0;
}
Well, there were 5 bytes lost. How did it happen? The error report just says
main and malloc. In a larger program, that would be seriously troublesome t...
Why does base64 encoding require padding if the input length is not divisible by 3?
...d sequence.
However, padding is useful in situations where base64 encoded strings are concatenated in such a way that the lengths of the individual sequences are lost, as might happen, for example, in a very simple network protocol.
If unpadded strings are concatenated, it's impossible to recover...
How can I concatenate regex literals in JavaScript?
...out using the regular expression literal syntax. This lets you do arbitary string manipulation before it becomes a regular expression object:
var segment_part = "some bit of the regexp";
var pattern = new RegExp("some regex segment" + /*comment here */
segment_part + /* that was defin...
Jump to function definition in vim
...ns in the background and analyses your whole project in real time exposing extra capabilities to your editor (any editor, not only vim). You get things like:
namespace aware tag completion
jump to definition
jump to next / previous error
find all references to an object
find all interface implemen...
Add data annotations to a class generated by entity framework
...place EntityClassOpening method in yours with following (and obviously var stringsToMatch with your entity names and interfaces).
public string EntityClassOpening(EntityType entity)
{
var stringsToMatch = new Dictionary<string,string> { { "Answer", "IJourneyAnswer" }, { "Fee", "ILegalFee...
Best way to make Django's login_required the default
...,
)
Note that view functions are named and imported directly, not as strings.
Also note that this works with any callable view object, including classes.
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how can I add the aidl file to Android studio (from the in-app billing example)
...' to the directory 'src/main/aidl'
Locate your sdk location and go to "sdk\extras\google\play_billing". Default location for the sdk is "C:\Program Files (x86)\Android\android-sdk". If you custom changed it, then you will have to figure out the location through the sdk manager.
Copy 'IInAppBillingSe...
FragmentPagerAdapter Exists Only In Android.Support.V4.App (and not Android.App)
...ent = Android.App.Fragment;
namespace Support4
{
[Activity (Label = "@string/fragment_pager_support")]
[IntentFilter (new[]{Intent.ActionMain}, Categories = new[]{ "mono.support4demo.sample" })]
public class FragmentPagerSupport : Activity
//public class FragmentPagerSupport : Fragm...
logger configuration to log to file and print to stdout
I'm using Python's logging module to log some debug strings to a file which works pretty well. Now in addition, I'd like to use this module to also print the strings out to stdout. How do I do this? In order to log my strings to a file I use following code:
...