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'AND' vs '&&' as operator
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People's inability to read the documentation for a language does not make the language's decisions wrong. As Mladen notes, Perl and Ruby also use these extra operators, and with the same precedences. It allows for constructs such as $foo and bar()...
sed edit file in place
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@PetrPeller: Really? If you read the question carefully, you would understand that the OP is trying to avoid something like, sed 's/foo/bar/g' file.txt > file.tmp && mv file.tmp file.txt. Just because in-place editing does the rename using a ...
What is ActiveMQ used for - can we apply messaging concept using a Database?
...ctiveMQ. For example, applications A and B could create qeues A.B and B.A (read: messages for A from B and the other way round) and send messages for each other to the matching queue.
– Alex
Nov 10 '16 at 13:08
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The case against checked exceptions
...elopers so against checked exceptions? I have had numerous conversations, read things on blogs, read what Bruce Eckel had to say (the first person I saw speak out against them).
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Why are regular expressions so controversial? [closed]
...gular expressions because they're slow, but rather because they're hard to read and write, as well as tricky to get right. While there are some situations where regular expressions provide an effective, compact solution to the problem, they are sometimes shoehorned into situations where it's better ...
Odd behavior when Java converts int to byte?
...int (32 bits) you simply copy the 1 to the left 24 times.
Now, one way to read a negative two's complement number is to start with the least significant bit, move left until you find the first 1, then invert every bit afterwards. The resulting number is the positive version of that number
For exam...
Possible reason for NGINX 499 error codes
... writes that in the log as 499.
Elaboration
Here I will assume that the reader knows as little as I did when I started playing around.
My setup was a reverse proxy, the nginx server, and an application server, the uWSGI server behind it. All requests from the client would go to the nginx server...
Download a file from NodeJS Server using Express
...);
res.setHeader('Content-type', mimetype);
var filestream = fs.createReadStream(file);
filestream.pipe(res);
});
You can set the header value to whatever you like. In this case, I am using a mime-type library - node-mime, to check what the mime-type of the file is.
Another important thing...
Can local storage ever be considered secure? [closed]
...resume the primary concern is someone with physical access to the computer reading the localStorage for your site, and you want cryptography to help prevent that access.
If someone has physical access you are also open to attacks other and worse than reading. These include (but are not limited to):...
What does the git index contain EXACTLY?
...ng
additional data to the index that will allow us to efficiently multi-
thread the loading and conversion of cache entries.
It accomplishes this by adding an (optional) index extension that is a
table of offsets to blocks of cache entries in the index file.
To make this work for V4 indexes, when wr...