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What does it mean for a data structure to be “intrusive”?
...ructure is one that requires help from the elements it intends to store in order to store them.
Let me reword that. When you put something into that data structure, that "something" becomes aware of the fact that it is in that data structure, in some way. Adding the element to the data structure ch...
java get file size efficiently
...from. To prove my point I took test case provided by GHAD and changed the order of enumeration and below are the results.
Looking at result I think File.length() is the winner really.
Order of test is the order of output. You can even see the time taken on my machine varied between executions bu...
How to exclude a directory in find . command
... delete? For -delete to work, find needs to traverse the directory in DFS order, since -deletewill first delete the leaves, then the parents of the leaves, etc... But for specifying -prune to make sense, find needs to hit a directory and stop descending it, which clearly makes no sense with -depth ...
SHA512 vs. Blowfish and Bcrypt [closed]
...s stored in the "password" table, but the derived key is never stored.
In order to break the cryptography here, an attacker would have to recover the key from the ciphertext. This is called a "known-plaintext" attack, since the attack knows the magic string that has been encrypted, but not the key ...
Convert a CERT/PEM certificate to a PFX certificate
...
You need to rename .pem to .cer first in order for Windows to recognize the file as a certificate/private key file. Both file extensions may contain cert(s) and/or key(s) in either ASCII-armored plaintext or Base64/DER encoded binary format, but you can use cer fil...
How do you work with an array of jQuery Deferreds?
I have an application that requires data be loaded in a certain order: the root URL, then the schemas, then finally initialize the application with the schemas and urls for the various data objects. As the user navigates the application, data objects are loaded, validated against the schema, and di...
How to intercept touches events on a MKMapView or UIWebView objects?
...ure.delegate = self;
longPressGesture.minimumPressDuration = 0; // In order to detect the map touching directly (Default was 0.5)
[self.mapView addGestureRecognizer:longPressGesture];
// Add gesture recognizer for map pinching
UIPinchGestureRecognizer *pinchGesture = [[[UIPinchGest...
PhoneGap Eclipse Issue - eglCodecCommon glUtilsParamSize: unknow param errors
...t Filter. Enter ^(?!eglCodecCommon) into the "by Log Tag (regex)" field in order to strip out the unwanted lines from the Logcat output.
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Spring @PostConstruct vs. init-method attribute
... If a bean is using more than one of those methods and relying on the order of initialization, it's going to be horribly complex and unmaintainable.
– Donal Fellows
Dec 15 '11 at 11:25
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What does the JSLint error 'body of a for in should be wrapped in an if statement' mean?
... for in to iterate over arrays because the language does not garauntee the order in which for in will enumerate over an array. It might not be in numeric order. In addition, if you use the `for(i=0;i<array.length;i++) style construct, you can be sure that you're only iterating numeric indexes in ...