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Adding Permissions in AndroidManifest.xml in Android Studio?
...s you get a list of permissions and also hint to move caret up and down to select the same.
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Multi-key dictionary in c#? [duplicate]
...Values
from baseKey in baseDict.Keys
select baseDict[baseKey];
}
}
}
public class MultiKeyDictionary<K1, K2, K3, V> : Dictionary<K1, MultiKeyDictionary<K2, K3, V>> {
public V this[K1 key1, K2 key2, K3 key3] {
get {
...
What is the advantage to using bloom filters?
...riefly tell the basics.
you initiate an empty bit array of length m
you select k different hash functions (the more independent the better)
if you want to add element, you calculate all the k hashes of this value and set the corresponding bits to 1
if you want to check if element exist, you also ...
Java 256-bit AES Password-Based Encryption
...
Share the password (a char[]) and salt (a byte[]—8 bytes selected by a SecureRandom makes a good salt—which doesn't need to be kept secret) with the recipient out-of-band. Then to derive a good key from this information:
/* Derive the key, given password and salt. */
SecretKeyFa...
Django - filtering on foreign key properties
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Is this going to hit the DB twice, should I be using select_related() to make this more optimal?
– Fraser Graham
Dec 30 '09 at 22:52
5
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Perforce for Git users? [closed]
...l of the files that are available on the server. A workspace view lets you select just the set that you care about. It's important to note that a workspace can map content from multiple depots, but can only map content from one server.
To compare Perforce to Git in this regard, with Git you pick an...
multi-step registration process issues in asp.net mvc (split viewmodels, single model)
...stract && typeof(IStepViewModel).IsAssignableFrom(t))
.Select(t => (IStepViewModel)Activator.CreateInstance(t))
.ToList();
}
}
Then we move on to the controller:
public class WizardController : Controller
{
public ActionResult Index()
{
var w...
what is the most efficient way of counting occurrences in pandas?
...].astype('str').stack().value_counts().sum() which equates to setting each selected column to str type, stacking all individual columns on top, forming basically one column and then doing the value_counts() and sum() on that one column. :) Stack is pretty useful, it might not be the most obvious cho...
Renaming or copying files and folder using NERDTree on Vim. Is it possible?
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Press m on the node you want to then select (m)ove the current node. Moving is the same as renaming.
NERDTree Menu. Use j/k/enter and the shortcuts indicated
==========================================================
> (a)dd a childnode
(m)ove the curent n...
Status bar and navigation bar appear over my view's bounds in iOS 7
...7 SDK. Please add the following code to achieve this,
if ([self respondsToSelector:@selector(edgesForExtendedLayout)])
self.edgesForExtendedLayout = UIRectEdgeNone;
You need to add the above in your -(void)viewDidLoad method.
iOS 7 brings several changes to how you layout and customiz...