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Is it possible to prevent an NSURLRequest from caching data or remove cached data following a reques
...P request using NSURLRequest for a chunk of data. Object allocation spikes and I assign the data accordingly. When I finish with the data, I free it up accordingly - however instruments doesn't show any data to have been freed!
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How to configure port for a Spring Boot application
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As said in docs either set server.port as system property using command line option to jvm -Dserver.port=8090 or add application.properties in /src/main/resources/ with
server.port=8090
For random port use
server.port=0
Similarly add application.yml in /src/main/resources/ with
server:
po...
Making heatmap from pandas DataFrame
I have a dataframe generated from Python's Pandas package. How can I generate heatmap using DataFrame from pandas package.
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How to use arguments from previous command?
I know that Esc + . gives you the last argument of the last command.
11 Answers
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Check Whether a User Exists
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You can also check user by id command.
id -u name gives you the id of that user.
if the user doesn't exist, you got command return value ($?)1
And as other answers pointed out: if all you want is just to check if the user exists, use if with id directly, as i...
How to get the nth element of a python list or a default if not available
...it: I removed the check for TypeError - probably better to let the caller handle this.
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Filtering by Multiple Specific Model Properties in AngularJS (in OR relationship)
... is the plunker
New plunker with cleaner code & where both the query and search list items are case insensitive
Main idea is create a filter function to achieve this purpose.
From official doc
function: A predicate function can be used to write arbitrary filters.
The function is called...
Simplest way to read json from a URL in java
This might be a dumb question but what is the simplest way to read and parse JSON from URL in Java ?
11 Answers
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F# development and unit testing?
... first functional language. I have been working quasi-exclusively with C#, and enjoy a lot how F# leads me to re-think how I write code. One aspect I find a bit disorienting is the change in the process of writing code. I have been using TDD for years in C# now, and really appreciate to have unit te...
Git diff says subproject is dirty
I have just run a git diff, and I am getting the following output for all of my approx 10 submodules
9 Answers
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