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How to check if IEnumerable is null or empty?
...egil meh - I can't get excited about that. As long as the intent is clear, etc.
– Marc Gravell♦
Feb 18 '11 at 22:55
6
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Get Character value from KeyCode in JavaScript… then trim
... would generate (there is also a modifier for if the Shift key is pressed, etc. in the event). The character a has a unicode charcode of 61 while the character A has a charcode of 41 (according to, for example, http://www.utf8-chartable.de/). However, those are hex values, converting to decimal gi...
What are named pipes?
...ome metadata (You can obtain the credentials of the thing on the other end etc).
Unix named pipes appear as a special file in the filesystem and can be accessed with normal file IO commands including the shell. Windows ones don't, and need to be opened with a special system call (after which they b...
How do I show/hide a UIBarButtonItem?
...TextAttributes :- This works great on bar button items like "Done", "Save" etc. However, it does not work on items like Add, Trash symbol etc.(atleast not for me) since they are not texts.
use TintColor :- If I have a bar button item called "deleteButton" :-
To hide the button, I used the followin...
How do you Encrypt and Decrypt a PHP String?
...ng an AEAD construct, ALWAYS encrypt then MAC!
bin2hex(), base64_encode(), etc. may leak information about your encryption keys via cache timing. Avoid them if possible.
Even if you follow the advice given here, a lot can go wrong with cryptography. Always have a cryptography expert review your imp...
ssh: The authenticity of host 'hostname' can't be established
...sable (or control disabling), add the following lines to the beginning of /etc/ssh/ssh_config...
Host 192.168.0.*
StrictHostKeyChecking=no
UserKnownHostsFile=/dev/null
Options:
The Host subnet can be * to allow unrestricted access to all IPs.
Edit /etc/ssh/ssh_config for global configurat...
How does cookie based authentication work?
...r's ip address along with other identifying parameters such as user-agent, etc. if the request then comes with a valid cookie but from the wrong ip, browser, etc then you deny the request and redirect the user to the login page to authenticate again.
– FalcoGer
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Combating AngularJS executing controller twice
...ometimes even more, like $watch events, constantly checking model states etc.
24 Answers
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Decompile .smali files on an APK [duplicate]
...combines all the necessary steps (unpacking APK, baksmaliing, decompiling, etc.) into one easy-to-use UI-based import process. Within five minutes you should have Java source code, less than it takes to figure out the command line options of one of the above mentioned tools.
Decompiling smali to Ja...
How can you strip non-ASCII characters from a string? (in C#)
...ut in plain english your RegEx pattern. In other words, "the ^ does this", etc...
– Metro Smurf
Sep 23 '08 at 22:45
47
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