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Implicit “Submit” after hitting Done on the keyboard at the last EditText

...o my password, if I hit "Done" on the keyboard, the login form is automatically submitted, without me having to click the submit button. How is this done? ...
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How to declare a global variable in php?

...']; } From the Manual: An associative array containing references to all variables which are currently defined in the global scope of the script. The variable names are the keys of the array. If you have a set of functions that need some common variables, a class with properties may be a g...
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Reliable method to get machine's MAC address in C#

...work across OS. Any ideas? I have been scraping the output of "ipconfig /all" but this is terribly unreliable as the output format differs on every machine. ...
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How can javascript upload a blob?

... To do basically $('input[type=file]').value=blob – William Entriken Aug 9 '13 at 21:36 14 ...
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Could not reserve enough space for object heap

... Anyone found a solution that actually work 100% of the time? This solution solves the problem temporarily but then suddenly it comes back. I've got 16GB ram and I'm tired of this sh*t. Everything was better in the old days :[ – Nilzor ...
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Print number of keys in Redis

... key. Also Redis may actively evict some expired keys, but not necessarily all of them. – seppo0010 Aug 24 '15 at 22:23 add a comment  |  ...
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Convert hex string to int in Python

... 16) With the 0x prefix, Python can distinguish hex and decimal automatically. >>> print int("0xdeadbeef", 0) 3735928559 >>> print int("10", 0) 10 (You must specify 0 as the base in order to invoke this prefix-guessing behavior; omitting the second parameter means to assume ba...
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Using node.js as a simple web server

... Simplest Node.js server is just: $ npm install http-server -g Now you can run a server via the following commands: $ cd MyApp $ http-server If you're using NPM 5.2.0 or newer, you can use http-server without installing it with npx. This isn't recommended for u...
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How can I see the raw SQL queries Django is running?

...t the output of the query is not valid SQL, because: "Django never actually interpolates the parameters: it sends the query and the parameters separately to the database adapter, which performs the appropriate operations." From Django bug report #17741. Because of that, you should not send qu...
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Logstash实践: 分布式系统的日志监控 - 更多技术 - 清泛网 - 专注C/C++及内核技术

... output { file { path => "/data/log/logstash/all.log" # 指定写入文件路径 message_format => "%{host} %{message}" # 指定写入格式 flush_interval => 0 # 指定刷新间隔,0代表实时写入 } } 如...