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How to convert Nonetype to int or string?
I've got an Nonetype value x , it's generally a number, but could be None . I want to divide it by a number, but Python raises:
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Nginx 403 forbidden for all files
I have nginx installed with PHP-FPM on a CentOS 5 box, but am struggling to get it to serve any of my files - whether PHP or not.
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How to remove all white spaces in java [duplicate]
...of it requires me to make code that reads a line from the user and removes all the white space within that line.
the line can consist of one word or more.
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Why is “Set as Startup” option stored in the suo file and not the sln file?
...e this setting should be stored in the solution file so it's shared across all users and part of source code control. Since we don't check in the suo file, each user has to set this separately which seems strange.
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Is it safe to delete a NULL pointer?
...ter delete. Setting a pointer to NULL after deleting it masquerades memory allocation errors, which is a very bad thing. A program that is correct does not delete a pointer twice, and a program that does delete a pointer twice should crash.
– Damon
Aug 30 '13 a...
How do I “commit” changes in a git submodule? [duplicate]
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@rogerdpack - you're correct. Submodules usually end up on "no branch". You'll often need to check out some branch before adding/committing to your submodule.
– timdev
Dec 23 '11 at 16:57
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convert a JavaScript string variable to decimal/money
...vaScript doesn't have an integer type. It only has a Number type which are all stored internally as 64bit floating point numbers. Your point is valid for other languages that do have integer types such as C#, C++, but not really for JavaScript.
– Simon Brangwin
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How to export iTerm2 Profiles
... folder or URL:. There is a button next to it Save settings to Folder.
So all you need to do is save your settings first and load it after you reinstalled your OS.
If the Save settings to Folder is disabled, select a folder (e.g. empty) in the Load preferences from a custom folder or URL: text box...
Get top n records for each group of grouped results
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Here is one way to do this, using UNION ALL (See SQL Fiddle with Demo). This works with two groups, if you have more than two groups, then you would need to specify the group number and add queries for each group:
(
select *
from mytable
where `group` = 1
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How to define optional methods in Swift protocol?
...an take advantage of powerful generics system.
You can always be sure that all requirements are met when encountering types that conform to such protocol. It's always either concrete implementation or default one. This is how "interfaces" or "contracts" behave in other languages.
Disadvantages
F...