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mongo - couldn't connect to server 127.0.0.1:27017
...ress 'Ctrl+c' or quit it.)
Type the command to start mongo now in another window.
Hope this works for you !
for those who want to repair your data files while preserving the original files
mongo recover
...
How to encrypt String in Java
...t and use AES-GCM mode for all your encryptions and you shall be secure.
Now if you want to learn the nitty gritty details on how to encrypt in java read on :)
Block Ciphers
First thing first you need to pick a symmetric key Block Cipher. A Block Cipher is a computer function/program used to cr...
TCP: can two different sockets share a port?
....
netstat -atnp | grep -i ":500 "
As expected, the output is blank. Now let's start a web server:
sudo python3 -m http.server 500
Now, here is the output of running netstat again:
Proto Recv-Q Send-Q Local Address Foreign Address State
tcp 0 0 0...
What is a regular expression which will match a valid domain name without a subdomain?
...ne seems to be working. What kind of domains won't pass validation do you know?
– Dominic
Apr 24 '12 at 22:13
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How to modify a global variable within a function in bash?
... tell you, that it is impossible to fix. This is wrong, but it is a long known difficult to solve problem.
There are several ways on how to solve it best, this depends on your needs.
Here is a step by step guide on how to do it.
Passing back variables into the parental shell
There is a way to p...
UIButton: how to center an image and a text using imageEdgeInsets and titleEdgeInsets?
...IEdgeInsetsMake(-15.0, 0.0, 0.0, -button.titleLabel.bounds.size.width)];
Now the image and the text will be centered (in this example, the image appears above the text).
Cheers.
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Do htmlspecialchars and mysql_real_escape_string keep my PHP code safe from injection?
...ecure if it was a prepared statement as the database functions would have known that 1 OR 1=1 is not a valid literal.
As for htmlspecialchars(). That's a minefield of its own.
There's a real problem in PHP in that it has a whole selection of different html-related escaping functions, and no clear ...
Comprehensive beginner's virtualenv tutorial? [closed]
... +1 I agree they were good for a beginner like me. I ran through both, now I at least know what it is and the basics of getting/using it. (The second for some reason explained activate but neglected deactivate o_O). I'm still hoping for more elaboration on when to use it (and when not to), and d...
How to call asynchronous method from synchronous method in C#?
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AsyncContext now has a Run method that takes a lambda expression, so you should use var result = AsyncContext.Run(() => MyAsyncMethod());
– Stephen Cleary
Jun 23 '13 at 12:42
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Frame Buster Buster … buster code needed
...n will create a false anti anti anti ... (dunno how much anti we are up to now) lighbox div for itself presenting a phishing link or whatever ... tbc
– yunzen
Oct 1 '11 at 15:12
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