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Prevent direct access to a php include file

...or may not fully control" situation is to put your includes in a directory and deny access to that directory in your .htaccess file. To save people the trouble of Googling, if you're using Apache, put this in a file called ".htaccess" in the directory you don't want to be accessible: Deny from all ...
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How can you use an object's property in a double-quoted string?

... # yields "abc.Length" "$($bar.Length)" # yields "3" PowerShell only expands variables in those cases, nothing more. To force evaluation of more complex expressions, including indexes, properties or even complete calculations, you have to enclose those in the subexpression operator $( ) which cau...
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How to stop a JavaScript for loop?

I'm using this JavaScript to iterate through an array and find a matching array element: 4 Answers ...
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python numpy machine epsilon

I am trying to understand what is machine epsilon. According to the Wikipedia, it can be calculated as follows: 3 Answers ...
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dropping infinite values from dataframes in pandas?

what is the quickest/simplest way to drop nan and inf/-inf values from a pandas DataFrame without resetting mode.use_inf_as_null ? I'd like to be able to use the subset and how arguments of dropna , except with inf values considered missing, like: ...
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Computed / calculated / virtual / derived columns in PostgreSQL

... Postgres 11 generated columns are not supported - as defined in the SQL standard and implemented by some RDBMS including DB2, MySQL and Oracle. Nor the similar "computed columns" of SQL Server. STORED generated columns are introduced with Postgres 12. Trivial example: CREATE TABLE tbl ( int1 ...
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Shortcut to create properties in Visual Studio?

... You could type "prop" and then press tab twice. That will generate the following. public TYPE Type { get; set; } Then you change "TYPE" and "Type": public string myString {get; set;} You can also get the full property typing "propfull" and t...
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A generic error occurred in GDI+, JPEG Image to MemoryStream

... OK I seem to have found the cause just by sheer luck and its nothing wrong with that particular method, it's further back up the call stack. Earlier I resize the image and as part of that method I return the resized object as follows. I have inserted two calls to the above met...
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Condition within JOIN or WHERE

...al algebra allows interchangeability of the predicates in the WHERE clause and the INNER JOIN, so even INNER JOIN queries with WHERE clauses can have the predicates rearrranged by the optimizer so that they may already be excluded during the JOIN process. I recommend you write the queries in the mo...
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Can I mix Swift with C++? Like the Objective-C .mm files

I just changed my .m files to .mm and use C++. Is there a way to do the same with Swift? 13 Answers ...