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Why is === faster than == in PHP?
...tor) doesn’t need to do any converting whatsoever and thus less work is done, which makes it faster.
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Append a dictionary to a dictionary [duplicate]
I have two existing dictionaries, and I wish to 'append' one of them to the other. By that I mean that the key,values of the other dictionary should be made into the first dictionary. For example:
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In C#, should I use string.Empty or String.Empty or “” to intitialize a string?
...y mistake " " for "". This is why it is easier to edit something that someone else has written. Your brain doesn't have preconceived ideas about the text so it is easier to pick out the anonmalies.
– tvanfosson
Nov 4 '08 at 20:18
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How do Python functions handle the types of the parameters that you pass in?
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The other answers have done a good job at explaining duck typing and the simple answer by tzot:
Python does not have variables, like other languages where variables have a type and a value; it has names pointing to objects, which know their type...
How does a “stack overflow” occur and how do you prevent it?
... what are the best ways to make sure it doesn't happen, or ways to prevent one, particularly on web servers, but other examples would be interesting as well?
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How to profile a bash shell script slow startup?
...noseconds timestamp of each command that was executed. The difference from one time to the next is the amount of time that the intervening step took.
As you narrow things down, you can move set -x later and set +x earlier (or bracket several sections of interest selectively).
Although it's not as ...
Transposing a 2D-array in JavaScript
... If you use it twice on the same array, it comes back to the first one intead of rotating 90' again
– Olivier Pons
Mar 3 '17 at 13:51
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How to make a vertical line in HTML
...ed not taboo but separating them is handy as then you can easily adjust in one place if needed. Also putting it in a separate CSS file is better for performance as it can be cached by the browser and you end up transmitting less bytes over the wire each time you request the rendered HTML.
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Composer install error - requires ext_curl when it's actually enabled
...ake a look in Xamp documentation
sudo apt-get install php5-curl
For anyone who uses php7.0
sudo apt-get install php7.0-curl
For those who uses php7.1
sudo apt-get install php7.1-curl
For those who use php7.2
sudo apt-get install php7.2-curl
For those who use php7.3
sudo apt-get install...
Why is argc not a constant?
...lt;< std::endl;
I've written such programs in C, and I know I'm not alone. I copied the example from somewhere.
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