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Does it make sense to use “as” instead of a cast even if there is no null check? [closed]
In development blogs, online code examples and (recently) even a book, I keep stumbling about code like this:
13 Answers
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Getting the path of the home directory in C#?
...Reading environment variables is actually very portable to do (across Unix and Windows), so I'm not sure why the poster wanted to not do it.
Edited to add: For crossplatform (Windows/Unix) C#, I'd read $HOME on Unix and OSX and %HOMEDRIVE%%HOMEPATH% on Windows.
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How to read and write excel file
I want to read and write an Excel file from Java with 3 columns and N rows, printing one string in each cell. Can anyone give me simple code snippet for this? Do I need to use any external lib or does Java have built-in support for it?
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Maven: Failed to read artifact descriptor
...an always try mvn -U clean install
-U forces a check for updated releases and snapshots on remote repositories.
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npm ERR cb() never called
...t:
$ sudo npm cache verify
Otherwise:
$ sudo npm cache clean
My node and npm versions are:
$ node -v
v0.10.0
$ npm -v
1.2.14
https://docs.npmjs.com/cli/cache
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Data structure: insert, remove, contains, get random element, all at O(1)
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Consider a data structure composed of a hashtable H and an array A. The hashtable keys are the elements in the data structure, and the values are their positions in the array.
insert(value): append the value to array and let i be its index in A. Set H[value]=i.
remove(value)...
Why seal a class?
...ealing a class? I cannot fathom how not allowing inheritance can be useful and most likely not the only one fighting these classes.
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Put icon inside input element in a form
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Could you please describe more about top and left parameters (7px 7 px) and other attributes? That is must be helpful.
– QMaster
Jan 27 '14 at 5:15
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Reduce left and right margins in matplotlib plot
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If you have multiple subplots and want to save each of them, you can use this with fig.savefig() too. (plt.savefig() will not work in that case.)
– Abhranil Das
Apr 21 '13 at 12:07
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How can I test an AngularJS service from the console?
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TLDR: In one line the command you are looking for:
angular.element(document.body).injector().get('serviceName')
Deep dive
AngularJS uses Dependency Injection (DI) to inject services/factories into your components,directives and other services. S...