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How to get last key in an array?
...he array
$key = key($array); // fetches the key of the element pointed to by the internal pointer
var_dump($key);
Will output :
string 'last' (length=4)
i.e. the key of the last element of my array.
After this has been done the array's internal pointer will be at the end of the array. As poi...
How do I use CMake?
... everything up so that you can use, for example, Visual Studio to compile. By default (at least on linux), it makes a project that uses Make instead. Make is used to actually build the project, not configure or set it up. So first you'd have to use CMake to set up the project, then run Make to compi...
Do zombies exist … in .NET?
...se) when a thread is terminated in a non-weird way, but thats easily fixed by either using a lock statement instead, or putting the release in a finally block.
See also
Subtleties of C# IL
codegen
for a very subtle case where an exception can prevent a lock from
being released even when using the...
What to do with commit made in a detached head
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I did this and found myself ahead of origin by 5 commits. In that case do you just do git push origin?
– Winnemucca
Apr 5 '16 at 23:31
6
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How can I create a directly-executable cross-platform GUI app using Python?
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Since python is installed on nearly every non-Windows OS by default now, the only thing you really need to make sure of is that all of the non-standard libraries you use are installed.
Having said that, it is possible to build executables that include the python interpreter, and a...
What happens to an open file handle on Linux if the pointed file gets moved or deleted
...eally be deleted until the last handle is closed.
If the file is replaced by a new file, it depends exactly how. If the file's contents are overwritten, the file handle will still be valid and access the new content. If the existing file is unlinked and a new one created with the same name or, if a...
Ignoring SSL certificate in Apache HttpClient 4.3
... class you were using. Multiple classes called SSLContextBuilder are found by Idea.
– MasterMind
May 24 '18 at 6:22
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show 2 more comments
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Merge, update, and pull Git branches without using checkouts
...rges, this is possible, because such merges can never result in conflicts, by definition. To do this without checking out a branch first, you can use git fetch with a refspec.
Here's an example of updating master (disallowing non-fast-forward changes) if you have another branch feature checked out:
...
Can scrapy be used to scrape dynamic content from websites that are using AJAX?
...u can see that I've filtered request down to XHR - these are requests made by javascript code.
Tip: log is cleared every time you load a page, at the bottom of the picture, the black dot button will preserve log.
After analyzing requests and responses you can simulate these requests from your web-...
How to get Core Data object from specific Object ID?
... return the object that has that ID, if it has been fetched from the store by this managedObjectContext. If anyone knows what this method is useful for, please comment.)
[eta.: Another important difference between the first method and the other two is that existingObjectWithID:error: never returns ...