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How to convert string to boolean php
...r_var covers a whole range of values, including the truthy values "true", "1", "yes" and "on". See here for more details.
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How do I get an apk file from an Android device?
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Use adb. With adb pull you can copy files from your device to your system, when the device i...
Calculate distance between 2 GPS coordinates
... locations are negative.
Remember minutes and seconds are out of 60 so S31 30' is -31.50 degrees.
Don't forget to convert degrees to radians. Many languages have this function. Or its a simple calculation: radians = degrees * PI / 180.
function degreesToRadians(degrees) {
return degrees * Ma...
python: How do I know what type of exception occurred?
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Why does Ruby 1.9.2 remove “.” from LOAD_PATH, and what's the alternative?
The latest changesets to Ruby 1.9.2 no longer make the current directory . part of your LOAD_PATH . I have a non-trivial number of Rakefiles that assume that . is part of the LOAD_PATH , so this broke them (they reported "no such file to load" for all require statements that based off the proj...
Count the items from a IEnumerable without iterating?
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Reading settings from app.config or web.config in .NET
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You'll need to add a reference to System.Configuration in your project's references folder.
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从网购到火车票，对比淘宝12306网为何如此烂？ - 大数据 & AI - 清泛网 - ...
从网购到火车票，对比淘宝12306网为何如此烂？12306火车票购票系统，逢假日必瘫痪，引发了强烈反响。在国庆前后，搜狐IT“问诊12306”做了系列报道。当时，铁道系统的答复是，购票人数太多，数据量过大。但是，在前不久淘...
How to set timeout on python's socket recv method?
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