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What does “The APR based Apache Tomcat Native library was not found” mean?

... On RHEL Linux just issue: yum install tomcat-native.x86_64 /Note:depending on Your architecture 64bit or 32bit package may have different extension/ That is all. After that You will find in the log file next informational message: INFO: APR capabilities: IPv6 [true], sendfile...
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Select all text inside EditText when it gets focus

... You can also add an OnClick Method to the editText after _editText.setSelectAllOnFocus(true); and in that: _editText.clearFocus(); _editText.requestFocus(); As soon as you click the editText the whole text is selected. ...
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Is it possible to ping a server from Javascript?

...dences on other parts of the source but you get the idea). function Pinger_ping(ip, callback) { if(!this.inUse) { this.inUse = true; this.callback = callback this.ip = ip; var _that = this; this.img = new Image(); this.img.onload = function() {_that.good();}; this...
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What is the best collation to use for MySQL with PHP? [closed]

...g characters in the language) and performance. The only special one is utf8_bin which is for comparing characters in binary format. utf8_general_ci is somewhat faster than utf8_unicode_ci, but less accurate (for sorting). The specific language utf8 encoding (such as utf8_swedish_ci) contain additio...
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How to sort mongodb with pymongo

...rameters. So if you want to sort by, let's say, id then you should .sort("_id", 1) For multiple fields: .sort([("field1", pymongo.ASCENDING), ("field2", pymongo.DESCENDING)]) share | improve thi...
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Struggling with NSNumberFormatter in Swift for currency

...string(from: price) // "$123.44" formatter.locale = Locale(identifier: "es_CL") formatter.string(from: price) // $123" formatter.locale = Locale(identifier: "es_ES") formatter.string(from: price) // "123,44 €" Here's the old example on how to use it on Swift 2. let price = 123.436 let form...
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Append TimeStamp to a File Name

...tring("yyyyMMddHHmmssfff") or string.Format string.Format("{0:yyyy-MM-dd_HH-mm-ss-fff}", DateTime.Now); or Interpolated Strings $"{DateTime.Now:yyyy-MM-dd_HH-mm-ss-fff}" There are following custom format specifiers y (year), M (month), d (day), h (hour 12), H (hour 24), m (minute), s (sec...
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Caching a jquery ajax response in javascript/browser

... * @type {number} */ timeout: 30000, /** * @type {{_: number, data: {}}} **/ data: {}, remove: function (url) { delete localCache.data[url]; }, exist: function (url) { return !!localCache.data[url] && ((new Date().getTime() - local...
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Use different Python version with virtualenv

...ses, languages and compilers galore! Thanks! – zachd1_618 Jan 24 '13 at 18:03 4 Under virtualenv ...
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ListCtrl 重绘(Custom Draw) - C/C++ - 清泛网 - 专注C/C++及内核技术

...er Draw等)。这种容易来自于我们只需要处理一个消息(NM_CUSTOMDRAW),就可以让Windows为你干活了,你就不用被逼去处理"重绘过程"中所有的脏活了。 这篇文章的焦点是如何在一个LISTCTRL控件上使用Custom Draw消息。究其原因,一...