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Bytecode features not available in the Java language
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As far as I know there are no major features in the bytecodes supported by Java 6 that are not also accessible from Java source code. The main reason for this is obviously that the Java bytecode was designed with the Java language in mind...
Java NIO FileChannel versus FileOutputstream performance / usefulness
...same level, also many times the FileChannel way is slower. Can I please know more details comparing these two methods. Here is the code I used, the file that I am testing with is around 350MB . Is it a good option to use NIO based classes for File I/O, if I am not looking at random access or othe...
Generate a random letter in Python
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@TaylorLeese, as I have known that there are three options including ascii_letters, ascii_uppercase, and ascii_lowercase.
– trdngy
May 18 '18 at 11:17
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Authentication issue when debugging in VS2013 - iis express
... they have added that as an 'enhancement'. That is what web.config is for. Now we can't trust what we see in web.config. Brilliant.
– trucker_jim
Feb 28 '14 at 12:04
4
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Merge/flatten an array of arrays
... native method called flat to do this exactly.
(As of late 2019, flat is now published in the ECMA 2019 standard, and core-js@3 (babel's library) includes it in their polyfill library)
const arr1 = [1, 2, [3, 4]];
arr1.flat();
// [1, 2, 3, 4]
const arr2 = [1, 2, [3, 4, [5, 6]]];
arr2.flat();
/...
Shrink a YouTube video to responsive width
...the same dimensions but for whatever reason the CSS in the accepted answer now letterboxes all our videos. Black bands across top and bottom.
I've tickered around with the sizes and settled on getting rid of the top padding and changing the bottom padding to 56.45%. Seems to look good.
.videowra...
What does string::npos mean in this code?
...ution
is to define your own signed value for npos:
const int NPOS = -1;
Now the comparison looks a bit different and even more convenient:
if (idx == NPOS) { // works almost always
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}
share
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How to disable and re-enable console logging in Python?
... this:
logger = logging.getLogger('my-logger')
logger.propagate = False
# now if you use logger it will not log to console.
This will prevent logging from being send to the upper logger that includes the console logging.
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Creating an index on a table variable
...tax however SQL Server 2016 relaxes this a bit further. From CTP 3.1 it is now possible to declare filtered indexes for table variables. By RTM it may be the case that included columns are also allowed but the current position is that they "will likely not make it into SQL16 due to resource constrai...
vim line numbers - how to have them on by default?
...this command anywhere in your terminal: echo "\nset nu" >> ~/.vimrc. Now exit and reopen terminal session.
– Kapil Jituri
Jan 31 at 6:02
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