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How to change the default collation of a table?
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@JasomDotnet you should now use utf8mb4_unicode_ci stackoverflow.com/questions/766809/…
– baptx
Aug 7 '16 at 17:57
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How to provide user name and password when connecting to a network share
...efer the latter, as I sometimes need to maintain multiple credentials for different locations. I wrap it into an IDisposable and call WNetCancelConnection2 to remove the creds afterwards (avoiding the multiple usernames error):
using (new NetworkConnection(@"\\server\read", readCredentials))
using ...
Encoding as Base64 in Java
...read why you shouldn't use sun.* packages.
Update (2016-12-16)
You can now use java.util.Base64 with Java 8. First, import it as you normally do:
import java.util.Base64;
Then use the Base64 static methods as follows:
byte[] encodedBytes = Base64.getEncoder().encode("Test".getBytes());
Syst...
Why aren't variables declared in “try” in scope in “catch” or “finally”?
...u be sure, that you reached the declaration part in your catch block? What if the instantiation throws the exception?
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Detecting when the 'back' button is pressed on a navbar
...lution any more. Worked at the time I first used this (it was iOS 10). But now I accidentally found it calmly stopped working (iOS 11). Had to switch to the "willMove(toParentViewController)" solution.
– Vitalii
Jan 24 '18 at 14:27
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Context switches much slower in new linux kernels
...om intel_idle to acpi_idle with just the first boot option, please let me know if the second option, processor.max_cstate did what it was documented to do in the comments so that I can update this answer.
Finally, the last of the three parameters, idle=poll is a real power hog. It will disable C1/C...
PHP Pass variable to next page
...the previous page, is completely unconnected with the current page. Except if you use something like sessions, cookies or GET / POST variables. Sessions and cookies are quite easy to use, with session being by far more secure than cookies. More secure, but not completely secure.
Session:
//On page...
Macro vs Function in C
...le with control-flow constructs:
#define swap(x, y) t = x; x = y; y = t;
if (x < y) swap(x, y); -->
if (x < y) t = x; x = y; y = t; --> if (x < y) { t = x; } x = y; y = t;
The usual strategy for fixing this is to put the statements inside a "do { ... } while (0)" loop.
If you hav...
How to add a progress bar to a shell script?
... (100%)\r'
echo -ne '\n'
In a comment below, puk mentions this "fails" if you start with a long line and then want to write a short line: In this case, you'll need to overwrite the length of the long line (e.g., with spaces).
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What is the difference between a field and a property?
In C#, what makes a field different from a property, and when should a field be used instead of a property?
32 Answers
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