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Find out how much memory is being used by an object in Python [duplicate]
...AntonyHatchkins as python memory manager do not necessarily get new memory from the operating systems. To some extent, memory pool is kept allocated even if not in use, so when there's a new request, it may be fulfilled without the need to request more memory from the operating system. In other word...
Change directory command in Docker?
...n run a script, or a more complex parameter to the RUN. Here is an example from a Dockerfile I've downloaded to look at previously:
RUN cd /opt && unzip treeio.zip && mv treeio-master treeio && \
rm -f treeio.zip && cd treeio && pip install -r requirement...
When to add what indexes in a table in Rails
...x (:users, [:category_id, :state_id]), what happens? How is this different from adding the index for each key?
Then the index is a combined index of the two columns. That doesn't make any sense, unless you want all entries for one category_id AND one state_id (It should be category_id not categor...
Test if something is not undefined in JavaScript
...ually you must surround it with an Try/Catch block so your code won't stop from working.
Like this:
try{
if(typeof response[0].title !== 'undefined') {
doSomething();
}
}catch(e){
console.log('responde[0].title is undefined');
}
...
What does this symbol mean in JavaScript?
...function expression syntax
What's the meaning of "=>" (an arrow formed from equals & greater than) in JavaScript?
|> — Pipe, greater than: Pipeline operator
What does the "|>" operator do in Javascript?
function*, yield, yield* — Star after function or yield: generator f...
How do I get elapsed time in milliseconds in Ruby?
If I have a Time object got from :
10 Answers
10
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Get current URL of UIWebView
...uld try this:
NSString *currentURL = [webView stringByEvaluatingJavaScriptFromString:@"window.location"];
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Nested function in C
...e of nested functions? If they exist in C does their implementation differ from compiler to compiler?
9 Answers
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What is the default scope of a method in Java?
...e something public unless you were creating creating a library or anything from which users would be getting functionality for their code?
– Daniel
Aug 24 '15 at 21:51
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What is the claims in ASP .NET Identity
...ials to the application. For a claim to have practical
value, it must come from an entity the application trusts.
Below steps illustrate the sequence of that happens in a claims-based security model:
The user requests an action. The relying party (RP) application asks
for a token.
The user presen...