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Parsing command-line arguments in C?
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To my knowledge, the three most popular ways how to parse command line arguments in C are:
Getopt (#include <unistd.h> from the POSIX C Library), which can solve simple argument parsing tasks. If you're a bit familiar with b...
What is the advantage of using forwarding references in range-based for loops?
...This last case of mine should really be a template to make sense. If you know the loop is always handling a proxy reference, then auto would work as well as auto&&. But when the loop was sometimes handling non-proxy references and sometimes proxy-references, then I think auto&& wou...
Why do I need Transaction in Hibernate for read-only operations?
...nd rolling back the transaction work out to be the same (and very cheap).
Now, if you're lucky and your queries against the DB are such that the ORM always maps them to single SQL queries, you can get away without explicit transactions, relying on the DB's built-in autocommit behavior, but ORMs are...
URL matrix parameters vs. query parameters
...is a very useful feature of uri templates; just because most people don't know about or use it doesn't mean it's some evil conspiracy by angular devs to inject useless complexity into your life.
– Ajax
Mar 22 '17 at 20:36
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Calculating width from percent to pixel then minus by pixel in LESS CSS
...ck, dude! Thank you for those examples and explanations. Do you happen to know how I could divide an unkown width of a container (let's call it div.categories) into 4 equal parts, using LESS?
– Shawn Spencer
Feb 10 '15 at 19:13
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Keystore type: which one to use?
...'t have the private key for them).
This has changed in Java 8, so you can now have certificate-only entries in PKCS12 stores too. (More details about these changes and further plans can be found in JEP 229: Create PKCS12 Keystores by Default.)
There are a few other keystore types, perhaps less fre...
Why switch is faster than if
...ic byte-code offset. Thus, when you give the statement an offset of 3, it knows to jump ahead 3 to find the correct branch.
Lookup switch uses a binary search to find the correct code branch. This runs in O(log n) time, which is still good, but not the best.
For more information on this, see here:...
Reference one string from another string in strings.xml?
...g>
<string name="string_default">@string/string1</string>
Now you can use string_default everywhere in your code and you can easily change the default at any time.
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Could not load file or assembly 'System.Net.Http.Formatting' or one of its dependencies. The system
I have a small MVC app that I use for practice reasons, but now I am encountering an error every time I try to debug:
18 An...
What do the different readystates in XMLHttpRequest mean, and how can I use them?
...al response have been received. Several response members of the object are now available.
LOADING (numeric value 3)
The response entity body is being received.
DONE (numeric value 4)
The data transfer has been completed or something went wrong during the transfer (e.g. infinite r...