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Why does AngularJS include an empty option in select?
... Thanks! In my case I can't use ng-init (no default value) so I casted my model to a string and it worked!
– Rodrigo Graça
Aug 3 '16 at 15:06
...
Why malloc+memset is slower than calloc?
...se it can skip memset() entirely. In other cases, calloc() can even cheat and not allocate any memory! However, malloc()+memset() will always do the full amount of work.
Understanding this requires a short tour of the memory system.
Quick tour of memory
There are four main parts here: your prog...
Error: could not find function … in R
I am using R and tried some.function but I got following error message:
10 Answers
1...
Select something that has more/less than x character
...eed to use the below query.
SELECT *
FROM OPENQUERY(LINK_DB,'SELECT
CITY,
cast(STATE as varchar(40))
FROM DATABASE')
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Proper use of errors
...ve (1) intellisense and (2) better type-checking. Be aware though that any cast does not translate to JS at all and is purely syntactic sugar.
– Didii
Feb 16 '19 at 21:00
add ...
Can local storage ever be considered secure? [closed]
... now reasonably well supported.
For an offline app, you must still design and implement a secure keystore.
Aside: If you are using Node.js, use the builtin crypto API.
Native-Javascript Cryptography (pre-WebCrypto)
I presume the primary concern is someone with physical access to the computer rea...
Android. Fragment getActivity() sometimes returns null
...ext an Activity?
if(pContext instanceof Activity) {
// Cast Accordingly.
final Activity lActivity = (Activity)pContext;
// Inform the ActivityBuffer.
this.getActivityBuffer().onContextGained(lActivity);
}
}
@Deprecated @Overrid...
AES Encryption for an NSString on the iPhone
...ethod which takes two NSString instances, one being the message to encrypt and the other being a 'passcode' to encrypt it with - I suspect I'd have to generate the encryption key with the passcode, in a way that can be reversed if the passcode is supplied with the encrypted data. The method should t...
What's the best way to send a signal to all members of a process group?
...se if the tree is the result of forking from a server start or a shell command line.) You can discover process groups using GNU ps as follows:
ps x -o "%p %r %y %x %c "
If it is a process group you want to kill, just use the kill(1) command but instead of giving it a process number, give it th...
How to RedirectToAction in ASP.NET MVC without losing request data
...clare viewData etc. */
if (TempData["form"] != null)
{
/* Cast TempData["form"] to
System.Collections.Specialized.NameValueCollection
and use it */
}
return View("Form", viewData);
}
...