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How to resolve “must be an instance of string, string given” prior to PHP 7?
...got this error when invoking a function from a Laravel Controller to a PHP file.
After a couple of hours, I found the problem: I was using $this from within a static function.
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What LaTeX Editor do you suggest for Linux? [closed]
...t its still lacking some crucial functionality (like tabs to switch opened files without having to use the menu).
– Emanuel Ey
May 31 '11 at 9:31
12
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Cannot find module cv2 when using OpenCV
... your default site-packages folder where you have kept the required python files or libraries
Add these lines in the code:
import sys
sys.path.append('/usr/local/lib/python2.7/site-packages')
or before running the python command in bash move to /usr/local/lib/python2.7/site-packages directory...
Variable declaration in a C# switch statement [duplicate]
...he enclosing block - even if the declaration occurs lexically later in the file. This is also true for constructs other than a switch statement. See 3.3 of the C# language spec
– Michael Burr
Oct 14 '14 at 5:20
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java.lang.ClassNotFoundException: org.springframework.web.context.ContextLoaderListener
... beginning, I thought the JAR was missing, but it was in place.
Solution:
File > Project Structure > Artifacts, in the Output Layout double click in right panel Available Elements the library named like Maven:..., it will be moved to WEB-INF/lib in the left pane.
Accept and restart Tomcat.
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Why is it not advisable to have the database and web server on the same machine?
...lie - Your web tier would not have access to say, backup the database to a file and ftp that file to ftp.hackers.com using xp_cmdshell. Or drop the database. Or modify config values. etc.
– Mark Brackett
Mar 24 '09 at 14:47
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String.format() to format double in java
...f the String. E.g. you are implementing export of your data to an external file and you want to have full control over the format, not dependent on the current (or any) locale.
– Honza Zidek
Feb 15 '16 at 10:21
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Two way/reverse map [duplicate]
...t; del d['foo']
>>> d['bar']
Traceback (most recent call last):
File "<stdin>", line 7, in <module>
KeyError: 'bar'
I'm sure I didn't cover all the cases, but that should get you started.
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How to Execute SQL Server Stored Procedure in SQL Developer?
...ileges to execute a stored procedure. I added the JTDS SQL Server JDBC jar file to SQL Developer and added it as a Third Party JDBC driver. I can successfully log in to the SQL Server database. I was given this syntax for running the procedure:
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Filtering collections in C#
...Where, that means you need to import using System.Linq; at the top of your file.
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