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When to use ref and when it is not necessary in C#
...or C++. Changes to the value of the parameter itself won't be seen by the caller, but changes in the object which the reference points to will be seen.
When a parameter (of any kind) is passed by reference, that means that any changes to the parameter are seen by the caller - changes to the paramet...
How to make asynchronous HTTP requests in PHP
Is there a way in PHP to make asynchronous HTTP calls? I don't care about the response, I just want to do something like file_get_contents() , but not wait for the request to finish before executing the rest of my code. This would be super useful for setting off "events" of a sort in my application...
What to use instead of “addPreferencesFromResource” in a PreferenceActivity?
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Still you need to call addPreferencesFromResource(int PreferencesID) if you want the app to be backwards compatible with api level erlier than 11 (Android 3.0). But I guess you could consider those old devices derecated as well.
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Access-control-allow-origin with multiple domains
...onfig I would like to specify more than one domain for the access-control-allow-origin directive. I don't want to use * . I've tried this syntax:
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This project references NuGet package(s) that are missing on this computer
...nd in the process its relative folder structure changed.
So I had to edit all entries similar to the following one in my .csproj file from
<Import Project="..\packages\Microsoft.Bcl.Build.1.0.14\tools\Microsoft.Bcl.Build.targets" Condition="Exists('..\packages\Microsoft.Bcl.Build.1.0.14\tools...
Download a single folder or directory from a GitHub repo
...oes via SVN. If you checkout your code with subversion, Github will essentially convert the repo from git to subversion on the backend, then serve up the requested directory.
Here's how you can use this feature to download a specific folder. I'll use the popular javascript library lodash as an exam...
Python argparse ignore unrecognised arguments
Optparse, the old version just ignores all unrecognised arguments and carries on. In most situations, this isn't ideal and was changed in argparse. But there are a few situations where you want to ignore any unrecognised arguments and parse the ones you've specified.
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Can you explain the HttpURLConnection connection process?
...how to use HTTPURLConnection but I want to understand how it works. Basically, I want to know the following:
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What is the correct way to document a **kwargs parameter?
...ink subprocess-module's docs is a good example. Give an exhaustive list of all parameters for a top/parent class. Then just refer to that list for all other occurrences of **kwargs.
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Double vs. BigDecimal?
...tudes (say d1=1000.0 and d2=0.001) could result in the 0.001 being dropped alltogether when summing as the difference in magnitude is so large. With BigDecimal this would not happen.
The disadvantage of BigDecimal is that it's slower, and it's a bit more difficult to program algorithms that way (du...