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When is it better to use String.Format vs string concatenation?

...as well. With C# 6 String interpolation makes a lot of things simpler to read in C# 6. In this case, your second code becomes: xlsSheet.Write($"C{rowIndex}", null, title); which is probably the best option, IMO. share ...
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Pythonic way to check if a file exists? [duplicate]

...en(fd, 'w') This should open your file for writing if it doesn't exist already, and return a file-object. If it does exists, it will print "Ooops" and return None (untested, and based solely on reading the python documentation, so might not be 100% correct). ...
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SET NAMES utf8 in MySQL?

...m client connections (many are, depending on your location and platform.) Read http://www.joelonsoftware.com/articles/Unicode.html in case you aren't aware how Unicode works. Read Whether to use "SET NAMES" to see SET NAMES alternatives and what exactly is it about. ...
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How to get the contents of a webpage in a shell variable?

... You can use wget command to download the page and read it into a variable as: content=$(wget google.com -q -O -) echo $content We use the -O option of wget which allows us to specify the name of the file into which wget dumps the page contents. We specify - to get the dum...
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Command to get time in milliseconds

... I feel so proud that @Peter Mortensen did one of his superb active readings on one of my posts :) thanks!! – fedorqui 'SO stop harming' Nov 18 '19 at 13:44 add a comme...
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Why aren't programs written in Assembly more often? [closed]

...I am a compiler. I just scanned thousands of lines of code while you were reading this sentence. I browsed through millions of possibilities of optimizing a single line of yours using hundreds of different optimization techniques based on a vast amount of academic research that you would spend year...
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How do I determine the size of my array in C?

... Important: Don't stop reading here, read the next answer! This only works for arrays on the stack, e.g. if you're using malloc() or accessing a function parameter, you're out of luck. See below. – Markus Jan ...
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MongoDB Many-to-Many Association

...ns using MongoDB, Redis, and other NoSQL data stores by optimizing for the read use cases, while being considerate of the atomic write operations that need to be supported by the write use cases. For instance, the uses of a "Users in Roles" domain follow: Role - Create, Read, Update, Delete, List...
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How to find serial number of Android device?

...fine now after adding <uses-permission android:name="android.permission.READ_PHONE_STATE"></uses-permission> permission in androidManifest.xml file. – Paresh Mayani Aug 26 '10 at 11:54 ...
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Copy file(s) from one project to another using post build event…VS2010

...es. /Y - Do not prompt for overwrite of existing files. /R - Overwrite read-only files. share | improve this answer | follow | ...