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Error: request entity too large

... I had the same error recently, and all the solutions I've found did not work. After some digging, I found that setting app.use(express.bodyParser({limit: '50mb'})); did set the limit correctly. When adding a console.log('Limit file size: '+limit); in node_m...
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Linux日志管理Rsyslog入门 - C/C++ - 清泛网移动版 - 专注C/C++及内核技术

...g,其配置大致如下所示: shell> cat /etc/syslog.conf # Log all kernel messages to the console. # Logging much else clutters up the screen. # kern.* /dev/console # Log anything (except mail) of level info or higher. # Don't log private authentication messages! *.info;mail.none;...
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MySQL foreign key constraints, cascade delete

...#2 (blue): DELETE FROM categories WHERE (id = 2); the DBMS will look at all the tables which have a foreign key pointing at the 'categories' table, and delete the records where the matching id is 2. Since we only defined the foreign key relationship in products_categories, you end up with this ta...
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Efficient way to return a std::vector in c++

...urn value (by value) is: instead of 'been moved', the return value in the callee is created on the caller's stack, so all operations in the callee are in-place, there is nothing to move in RVO. Is that correct? – r0ng Sep 5 '18 at 5:59 ...
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How to make a class conform to a protocol in Swift?

...aSource' Is expected. You will get the error until your class implements all required methods of the protocol. So get coding :) share | improve this answer | follow ...
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What is the difference between related SQLite data-types like INT, INTEGER, SMALLINT and TINYINT?

When creating a table in SQLite3, I get confused when confronted with all the possible datatypes which imply similar contents, so could anyone tell me the difference between the following data-types? ...
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Image fingerprint to compare similarity of many images

...d approach for improved comparison quality A luminosity histogram (especially one that is separated into RGB components) is a reasonable fingerprint for an image - and can be implemented quite efficiently. Subtracting one histogram from another will produce a new historgram which you can process t...
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What are the pros and cons of the leading Java HTML parsers? [closed]

... General Almost all known HTML parsers implements the W3C DOM API (part of the JAXP API, Java API for XML processing) and gives you a org.w3c.dom.Document back which is ready for direct use by JAXP API. The major differences are usually to b...
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How to properly seed random number generator

...se if you're setting the seed to the time in a fast loop, you'll probably call it with the same seed many times. In your case, as you're calling your randInt function until you have a different value, you're waiting for the time (as returned by Nano) to change. As for all pseudo-random libraries, ...
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Elegant way to search for UTF-8 files with BOM?

For debugging purposes, I need to recursively search a directory for all files which start with a UTF-8 byte order mark (BOM). My current solution is a simple shell script: ...