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Adjusting the Xcode iPhone simulator scale and size [duplicate]
...reens(MacBook Pro 15-Inch), I can't scale it more than the screen size sometimes if I want to see the UI elements more clearly. It's a kind of disadvantage in Xcode 9.
– Ashok
Sep 21 '17 at 11:03
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How should I unit test threaded code?
...r multithreading that avoids threads running through instances at the same time. The simplest is to make all your objects immutable. Of course, that's not usually possible. So you have to identify those places in your design where threads interact with the same instance and reduce the number of t...
Is there a range class in C++11 for use with range based for loops?
...ry, it has one major disadvantage : that you cannot create the range at runtime, as you need to know the template arguments at compile time itself.
//your version
auto x = range<m,n>(); //m and n must be known at compile time
//my version
auto x = range(m,n); //m and n may be known at runti...
What does enctype='multipart/form-data' mean?
...u. Don't bother trying to parse the raw input received by the server.
Sometimes you will find a library that can't handle both formats. Node.js's most popular library for handling form data is body-parser which cannot handle multipart requests (but has documentation which recommends some alternati...
Querying DynamoDB by date
...o it is not ideal.
If you need to perform an indexed lookup of records by time across multiple primary keys, DynamoDB might not be the ideal service for you to use, or you might need to utilize a separate table (either in DynamoDB or a relational store) to store item metadata that you can perform a...
What are the most-used vim commands/keypresses?
...
I've been using vim for a long time, and its one of the first things I install on a machine. MacVim, on Mac OS is very nice. I tend to compile vim from source on most Linux boxes I use, simply because most distros are not current, or don't have the languag...
From ND to 1D arrays
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a.ravel() looks to be around three times as fast as a.reshape(-1). a.flatten() is way slower, as it needs to make a copy.
– BallpointBen
Aug 29 '18 at 22:52
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Correct way to try/except using Python requests module?
...id HTTP response, Requests will raise an HTTPError exception.
If a request times out, a Timeout exception is raised.
If a request exceeds the configured number of maximum redirections, a TooManyRedirects exception is raised.
All exceptions that Requests explicitly raises inherit from requests.except...
How to find the last field using 'cut'
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This is universal and it works exactly as expected every time. In this scenario, using cut to achieve the OP's final output is like using a spoon to "cut" steak (pun intended :) ) . awk is the steak knife.
– Hickory420
Oct 11 '18 at 1:04
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Sending a message to nil in Objective-C
... the loop will not run. However, if we set the loop to run a set number of times, then we're first sending a message to anArray at [anArray objectAtIndex:i]; This will also return 0, but since objectAtIndex: returns a pointer, and a pointer to 0 is nil/NULL, NSLog will be passed nil each time throug...