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How can I concatenate NSAttributedStrings?

... NSMutableAttributedString *mutableAttString = [[NSMutableAttributedString alloc] init]; NSString *plainString = // ... NSDictionary *attributes = // ... a dictionary with your attributes. NSAttributedString *newAttString = [[NSAttributedString alloc] initWithString:plainString attributes:attribute...
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How can I prevent SQL injection in PHP?

...is way it is impossible for an attacker to inject malicious SQL. You basically have two options to achieve this: Using PDO (for any supported database driver): $stmt = $pdo->prepare('SELECT * FROM employees WHERE name = :name'); $stmt->execute([ 'name' => $name ]); foreach ($stmt as $...
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How to validate IP address in Python? [duplicate]

...ings like "4" and "192.168" and silently pads the rest with zeros. Technically valid, I'm sure, but not quite what I expected. – krupan Nov 25 '08 at 23:58 6 ...
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Determine which MySQL configuration file is being used

...inux, then start the 'mysqld' with strace, for eg strace ./mysqld. Among all the other system calls, you will find something like: stat64("/etc/my.cnf", 0xbfa3d7fc) = -1 ENOENT (No such file or directory) stat64("/etc/mysql/my.cnf", {st_mode=S_IFREG|0644, st_size=4227, ...}) = 0 open("/etc/...
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PHP, get file name without file extension

... No need for all that. Check out pathinfo(), it gives you all the components of your path. Example from the manual: $path_parts = pathinfo('/www/htdocs/index.html'); echo $path_parts['dirname'], "\n"; echo $path_parts['basename'], "\n"...
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WARNING: Can't verify CSRF token authenticity rails

... that you have <%= csrf_meta_tag %> in your layout Add beforeSend to all the ajax request to set the header like below: $.ajax({ url: 'YOUR URL HERE', type: 'POST', beforeSend: function(xhr) {xhr.setRequestHeader('X-CSRF-Token', $('meta[name="csrf-token"]').attr('content'))}, data: '...
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How to “undelete” a deleted folder in Subversion / TortoiseSVN?

We have accidentally deleted the 'tags' folder from our Subversion repository where we only intended to delete one specific tag. What is the easiest way to get the 'tags' folder back? ...
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Recursive file search using PowerShell

I am searching for a file in all the folders. 8 Answers 8 ...
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Getting the last argument passed to a shell script

$1 is the first argument. $@ is all of them. 27 Answers 27 ...
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SqlException from Entity Framework - New transaction is not allowed because there are other threads

...red that the foreach loops were the culprits. What needs to happen is to call EF but return it into an IList<T> of that target type then loop on the IList<T>. Example: IList<Client> clientList = from a in _dbFeed.Client.Include("Auto") select a; foreach (RivWorks.Model.Negotiati...