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How can I use NSError in my iPhone App?
...orrect username or password.";
"1004" = "Failed to parse FNID."
2) Add macros to convert integer codes to localized error messages. I've used 2 macros in my Constants+Macros.h file. I always include this file in the prefix header (MyApp-Prefix.pch) for convenience.
Constants+Macros.h
// error ...
Convert timestamp in milliseconds to string formatted time in Java
...framework is the way to go when using Java 8 and later. Otherwise, such as Android, use Joda-Time. The java.util.Date/.Calendar classes are notoriously troublesome and should be avoided.
java.util.Date & .Calendar
final long timestamp = new Date().getTime();
// with java.util.Date/Calendar ap...
What is the official “preferred” way to install pip and virtualenv systemwide?
...install --upgrade pip virtualenv virtualenvwrapper
My added notes:
On Mac/Windows (and Linux if the apt repo is outdated) you'd replace the first step with downloading setuptools from http://pypi.python.org/pypi/setuptools
On Windows you'd have to omit virtualenvwrapper from the last step and i...
How to generate a Dockerfile from an image?
...is a docker image can actually just be the tar backup of a real or virtual machine. I have made several docker images this way. Even the build history shows me importing a huge tar file as the first step in creating the image...
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How can I get a precise time, for example in milliseconds in Objective-C?
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I just compared NSDate and mach_absolute_time() at around 30ms level. 27 vs. 29, 36 vs. 39, 43 vs. 45. NSDate was easier to use for me and the results were similar enough to not care.
– nevan king
Jul 31 '13 at 20...
Get list of JSON objects with Spring RestTemplate
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Also see forum.spring.io/forum/spring-projects/android/….
– Benny Bottema
Mar 11 '16 at 14:29
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一个科技公司只是碰巧卖起了披萨？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...15年3月，达美乐支持智能手表点餐，用户可以通过Pebble或Android Wear智能手表，在智能手机内设的编号进行点餐。
2015年10月，达美乐推出一款披萨车DXP，原型就是雪佛兰Spark迷你两厢车，被改造成了可以同时烤制80个披萨的140°...
How to have Emacs auto-refresh all buffers when files have changed on disk?
I have a non-emacs global search and replace function that causes my disk files to become more up-to-date than my emacs buffers (en masse). Is there any way to tell emacs to refresh all the buffers from disk in one fell swoop, instead of having to do each one individually by reloading the file?
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How do you Programmatically Download a Webpage in Java
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for newcomers , if you use this library in android you need to use this in different thread because it runs by default on same application thread which will cause the application to throw NetworkOnMainThreadException
– Mohammed Elrashied
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What is the simplest way to convert a Java string from all caps (words separated by underscores) to
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I miss pure java answers as I'm developing for Android.
– eliocs
Nov 6 '14 at 11:04
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