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Core Data vs SQLite 3 [closed]
I am already quite familiar with relational databases and have used SQLite (and other databases) in the past. However, Core Data has a certain allure, so I am considering spending some time to learn it for use in my next application.
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Android微信智能心跳方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...可以传递小于4kb的数据），对这些数据的处理可以全部由开发者控制。
c）Android应用不需要运行就可以接收消息(通过Android广播)。
d）GCM不保证发送的消息的顺序，也不保证消息一定能够推送到手机。
3.2 GCM心跳策略以及存在...
JMS Topic vs Queues
I was wondering what is the difference between a JMS Queue and JMS Topic.
9 Answers
9
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How can I write output from a unit test?
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I have found (with VS2013) that this only prints something if the test is run in debug mode.
– fusi
Sep 24 '15 at 11:15
3
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Android Archive Library (aar) vs standard jar
...pplications where as AARs and jars are
packaged in with your app.
AARs vs Jars:
The main difference between a Jar and a AAR is that AARs include
resources such as layouts, drawables etc. This makes it a lot easier
to create self-contained visual components. For example if you have
mult...
MySQL vs MongoDB 1000 reads
... its testing the connection time plus the query time.
$m = new Mongo();
vs
$db = new AQLDatabase();
so your 101% faster might turn out to be 1000% faster for the underlying query stripped of jazz.
urghhh.
share
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What's the difference between text/xml vs application/xml for webservice response
... list of records, like this: msdn.microsoft.com/en-us/library/ms762271%28v=vs.85%29.aspx This is more likely to be read and processed by an application. Others are basically text with markup, like a HTML page. Using text/xml for them sounds more appropiate.
– biziclop
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SQL Server IIF vs CASE
..., 'https%3a%2f%2fstackoverflow.com%2fquestions%2f22839254%2fsql-server-iif-vs-case%23new-answer', 'question_page');
}
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Using do block vs braces {}
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There are two common styles for choosing do end vs. { } for blocks in Ruby:
The first and very common style was popularized by Ruby on Rails, and is based on a simple rule of single vs. multi-line:
Use braces { } for single-line blocks
Use do end for multi-line blocks
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How can one print a size_t variable portably using the printf family?
... on Adam Rosenfield's answer for Windows.
I tested this code with on both VS2013 Update 4 and VS2015 preview:
// test.c
#include <stdio.h>
#include <BaseTsd.h> // see the note below
int main()
{
size_t x = 1;
SSIZE_T y = 2;
printf("%zu\n", x); // prints as unsigned decim...