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Is it a good practice to place C++ definitions in header files?
My personal style with C++ has always to put class declarations in an include file, and definitions in a .cpp file, very much like stipulated in Loki's answer to C++ Header Files, Code Separation . Admittedly, part of the reason I like this style probably has to do with all the years I spent coding...
Purging file from Git repo failed, unable to create new backup
I tried to remove a file from my remote repo by running:
4 Answers
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Convert duration to hours:minutes:seconds (or similar) in Rails 3 or Ruby
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The % says, "Take the array of parameters from my right and insert them into the format string on my left." In that respect, it is similar to printf in C\C++ only more concise and can be used in an assignment. Yes, I call that lovely. And powerful. There are examples that...
List of lists into numpy array
...after looking at the answer but your comment was helpful. I found out that my list of lists was jagged, when it wasn't supposed to be.
– Nikhil Girraj
Dec 21 '19 at 5:25
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Is there a way to auto expand objects in Chrome Dev Tools?
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Extraordinary! Saved my day!
– Nicolae Olariu
Jan 19 '17 at 13:19
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PHP: How to check if image file exists?
I need to see if a specific image exists on my cdn.
20 Answers
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invalid target release: 1.7
...ad the right JAVA_HOME for Java 8 but I was still lacking this. You solved my problem, thanks
– dtortola
Feb 17 '16 at 10:59
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Rails: How can I set default values in ActiveRecord?
..., please use Base.after_initialize :method instead. (called from /Users/me/myapp/app/models/my_model:15)
Therefore I'd say write an after_initialize callback, which lets you default attributes in addition to letting you set defaults on associations like so:
class Person < ActiveRecord::Base
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How to encrypt/decrypt data in php?
...INARY.
The output value, like the IV, is binary; to store those values in MySQL, consider using BINARY or VARBINARY columns. If this is not an option, you can also convert the binary data into a textual representation using base64_encode() or bin2hex(), doing so requires between 33% to 100% more st...
Multi-statement Table Valued Function vs Inline Table Valued Function
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In researching Matt's comment, I have revised my original statement. He is correct, there will be a difference in performance between an inline table valued function (ITVF) and a multi-statement table valued function (MSTVF) even if they both simply execute a SELECT stat...