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Why are global variables evil? [closed]
...so Evil? - Software Engineering Stack Exchange
Are global variables bad?
If you want to go deeper and find out why side effects are all about, and many other enlightening things, you should learn Functional Programming:
Side effect (computer science) - Wikipedia
Why are side-effects considered e...
Compare a string using sh shell
...shell and I am trying to compare a string with a variable's value but the if condition is always execute to true. Why?
7 ...
Database: To delete or not to delete records
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It definitely depends on the actual content of your database. If you're using it to store session information, then by all means wipe it immediately when the session expires (or is closed), you don't want that garbage lying around. As it cannot really be used again for any practical pur...
Best way to add page specific JavaScript in a Rails 3 app?
...lock and then yield to that block in your application layout. For example
If it's pretty short then:
<% content_for :head do %>
<script type="text/javascript">
$(function() {
$('user_rating_positve').click(function() {
$('some_div').show();
}
});
</sc...
Updating packages in Emacs
I have the following setup for packages (not sure if there is a better recommended one):
4 Answers
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How do I convert uint to int in C#?
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Given:
uint n = 3;
int i = checked((int)n); //throws OverflowException if n > Int32.MaxValue
int i = unchecked((int)n); //converts the bits only
//i will be negative if n > Int32.MaxValue
int i = (int)n; //same behavior as unchecked
or
int i = Convert.ToInt3...
Traverse all the Nodes of a JSON Object Tree with JavaScript
...a JSON object tree, but cannot find any library for that. It doesn't seem difficult but it feels like reinventing the wheel.
...
Which Visual C++ file types should be committed to version control?
...state: build helper
lib: build result. Can be 3rd party
log: build log
manifest: build helper. Can be written yourself.
obj: build helper
pch: build helper
pdb: build result
res: build helper
sdf: intellisense dbase
suo: solution user options
tlog: build log
user: debug settings. Do preserve if j...
Comments in Markdown
...t all the previously proposed solutions (apart from those that require specific implementations) result in the comments being included in the output HTML, even if they are not displayed.
If you want a comment that is strictly for yourself (readers of the converted document should not be able to see...
Call removeView() on the child's parent first
...t. since there is no parent at the beginning, there is nothing to remove. if (mAdView.getParent()!=null) ((ViewGroup) mAdView.getParent()).removeView(mAdView);
– Tarek
Sep 8 '16 at 19:46
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