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Eclipse error “ADB server didn't ACK, failed to start daemon”
...Android SDK.
The easiest way to fix seems to be to update your Genymotion Settings so it uses the same ADB as your Android SDK:
Just check the "Use custom Android SDK tools" option and enter your desired location.
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How to refresh app upon shaking the device?
...ice one! I've also added a check to avoid shakes too often (in my app I've set it to 750 ms after the last shake)... Calendar last = Calendar.getInstance(); Calendar now = Calendar.getInstance(); last.setTime(last_date); now.setTime(new Date()); long diff ...
TextView.setTextSize behaves abnormally - How to set text size of textview dynamically for different
Calling TextView.setTextSize() is working abnormally. Right after the call to setTextSize if we get a getTextSize its returning a much higher value that what we set it to earlier.
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Proper way to return JSON using node or Express
...e something like JSON.stringify(anObject, null, 3)
It's important that you set the Content-Type header to application/json, too.
var http = require('http');
var app = http.createServer(function(req,res){
res.setHeader('Content-Type', 'application/json');
res.end(JSON.stringify({ a: 1 }));
}...
Rails: fields_for with index?
...s_for :blog_posts, {:index => 0} do |g| %>
<%= g.label :gallery_sets_id, "Position #{g.options[:index]}" %>
<%= g.select :gallery_sets_id, @posts.collect { |p| [p.title, p.id] } %>
<%# g.options[:index] += 1 %>
<% end %>
or
<%= f.fields_for :blog_posts do ...
How to convert float to int with Java
...te the possible IEEE rounding issues), and want to keep the average of the set in place; you'll introduce another bias, where even numbers will be more common than odd, though.
See
http://mindprod.com/jgloss/round.html
http://docs.oracle.com/javase/6/docs/api/java/lang/Math.html
for more informa...
正则表达式 30 分钟入门教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...表达式的一些细节是不相同的，本教程介绍的是微软 .Net Framework 4.0 下正则表达式的行为，所以，我向你推荐我编写的.Net下的工具 正则表达式测试器。请参考该页面的说明来安装和运行该软件。
下面是Regex Tester运行时的截图：...
Can someone explain in simple terms to me what a directed acyclic graph is?
...execution time, you can calculate the maximum execution time of the entire set
among many other things.
Outside the realm of application programming, any decent automated build tool (make, ant, scons, etc.) will use DAGs to ensure proper build order of the components of a program.
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Using Enums while parsing JSON with GSON
...
From the documentation for Gson:
Gson provides default serialization and deserialization for Enums... If you would prefer to change the default representation, you can do so by registering a type adapter through GsonBuild...
How do I make a UITableViewCell appear disabled?
...a) * 255 = 143
aSwitch.enabled = NO; // or [(UISwitch *)cell.accessoryView setEnabled:NO];
And then, to actually disable the cell:
cell.userInteractionEnabled = NO;
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