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How do I use the ternary operator ( ? : ) in PHP as a shorthand for “if / else”?
... however as mentioned, it is the “null coalescing operator” so it only tests for null and not empty. This is because ?? Is effectively a shorthand for isset().
– Brian C
Oct 20 '19 at 7:14
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Is it possible to style a select box? [closed]
...);
}
That's it! Just style your div instead of the select box. I haven't tested the above code so you'll probably need tweak it. But hopefully you get the gist.
I think this solution beats {-webkit-appearance: none;}. What browsers should do at the very most is dictate interaction with form elem...
Converting JSON data to Java object
...688099;
import java.util.List;
import com.google.gson.Gson;
public class Test {
public static void main(String... args) throws Exception {
String json =
"{"
+ "'title': 'Computing and Information systems',"
+ "'id' : 1,"
+ "...
Javascript: How to loop through ALL DOM elements on a page?
...tly, it finds more results. I am not sure what those results are, but when testing on chrome it finds about 50% more nodes compared to document.getElementsByTagName("*");
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Practical non-image based CAPTCHA approaches?
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I think it's better to start with easy-to-bypass tests to see if they are adequate.
– pbreitenbach
Jul 6 '09 at 14:07
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How to delete a whole folder and content?
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I've done no tests for efficiency, but I believe mine is more robust. chirag's will work for the specific case of the DCIM folder, where folders within DCIM should contain only files (i.e. folders within DCIM don't normally contain any su...
How do I get the current username in .NET using C#?
...splays the user name of the person who started the current thread
If you test Environment.UserName using RunAs, it will give you the RunAs user account name, not the user originally logged on to Windows.
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What is the PostgreSQL equivalent for ISNULL()
...e will take a large number of arguments. There is no documented maximum. I tested it will 100 arguments and it succeeded. This should be plenty for the vast majority of situations.
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How to filter git diff based on file extensions?
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As tested on git version 2.18.0, the file extension should be quoted with double quotes. If you want to find the last differences between your local repository and the remote one, after pulling, you can use:
git diff YourBranch...
Java maximum memory on Windows XP
...dows is configured as hinted by this response:
Java -Xmx Option
Some more testing: I was able to allocate 1300MB on an old Windows XP machine with only 768MB physical RAM (plus virtual memory). On my 2GB RAM machine I can only get 1220MB. On various other corporate machines (with older Windows XP) ...