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Sort ArrayList of custom Objects by property
...Do I need to create a new public ChairWeightComparator class in a separate file? - am I really the first one to try this after 3 years or did I miss sth?
– user387184
Mar 23 '14 at 9:01
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How do I set the time zone of MySQL?
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There are three places where the timezone might be set in MySQL:
In the file "my.cnf" in the [mysqld] section
default-time-zone='+00:00'
@@global.time_zone variable
To see what value they are set to:
SELECT @@global.time_zone;
To set a value for it use either one:
SET GLOBAL time_zone = '...
Use underscore inside Angular controllers
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its necessary when you add 'use strict' to your file. Since underscore/lodash isn't defined it will throw ReferenceError: _ is not defined... you have to inject it, or use window._
– Shanimal
Jun 6 '13 at 19:37
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GIF Animated 扩展：可点击透明背景动画GIF播放器 · App Inventor 2 中文网
...文件夹中。
SD卡文件
"/mnt/sdcard/directory/file.gif"
需要写入完整的绝对路径。
文件存储位置
Companion 模式：/storage/emulated/0/Android/data/edu.mit.appinventor.aicompanion3/files/
构建应用：/storage/emulated/0/An...
Pretty-Printing JSON with PHP
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And anyone tailing/reviewing a log/file in the unix/linux shell, this is the solution here! Good looking out, @Mike, makes it easy to read!.
– fusion27
Aug 18 '17 at 13:21
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PHP mail function doesn't complete sending of e-mail
...to receive these errors. Placing the following code at the top of your PHP files (or in a master configuration file) will enable error reporting.
error_reporting(-1);
ini_set('display_errors', 'On');
set_error_handler("var_dump");
See How can I get useful error messages in PHP? — this answer fo...
How to call shell commands from Ruby
... = %x[find . -name '*test.rb' | sort]
Which, in this case, will populate file list with all test files under the current directory, which you can process as expected:
directorylist.each do |filename|
filename.chomp!
# work with file
end
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Ways to implement data versioning in MongoDB
... performance loss when the records were reallocated to the end of the data file.
– Piotr Czapla
Nov 27 '10 at 10:03
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WebService Client Generation Error with JDK8
...e/7/docs/api/javax/xml/XMLConstants.html#ACCESS_EXTERNAL_SCHEMA)
Create a file named jaxp.properties (if it doesn't exist) under /path/to/jdk1.8.0/jre/lib and then write this line in it:
javax.xml.accessExternalSchema = all
That's all. Enjoy JDK 8.
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How does Go compile so quickly?
...dency
analysis easy and avoids much of the
overhead of C-style include files and
libraries.
While the phrase is not in the FAQ anymore, this topic is elaborated upon in the talk Go at Google, which compares the dependency analysyis approach of C/C++ and Go.
That is the main reason of fast c...