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How to start new activity on button click
In an Android application, how do you start a new activity (GUI) when a button in another activity is clicked, and how do you pass data between these two activities?
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How do I remove the passphrase for the SSH key without having to create a new key?
.../.bash_history file (or similar) in plain text including all arguments provided (i.e. the passphrases in this case). It is, therefore, is recommended that you use the first option unless you have a specific reason to do otherwise.
Notice though that you can still use -f keyfile without having to...
Is there a way to iterate over a slice in reverse in Go?
... edited Nov 2 '12 at 23:06
Sridhar Ratnakumar
65.2k5757 gold badges135135 silver badges167167 bronze badges
answered Nov 2 '12 at 8:07
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How can I make a JPA OneToOne relation lazy
...be lazy.
Replacing one-to-one with one-to-many is pretty much never a good idea. You can replace it with unique many-to-one but there are other (possibly better) options.
Rob H. has a valid point, however you may not be able to implement it depending on your model (e.g. if your one-to-one associat...
Create the perfect JPA entity [closed]
...sues as AccessType, immutable properties, equals/hashCode, ... .
So I decided to try and find out the general best practice for each issue and write this down for personal use.
I would not mind however for anyone to comment on it or to tell me where I'm wrong.
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Reorder / reset auto increment primary key
...ySQL table with an auto increment primary key. I deleted some rows in the middle of the table. Now I have, for example, something like this in the ID column: 12, 13, 14, 19, 20. I deleted the 15, 16, 17 and 18 rows.
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Rails select helper - Default selected value, how?
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This should do it:
<%= f.select :project_id, @project_select, :selected => params[:pid] %>
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Android list view inside a scroll view
I have an android layout which has a scrollView with a number of elements with in it. At the bottom of the scrollView I have a listView which is then populated by an adapter.
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App Inventor iOS App编译全流程：7步搞定苹果签名上架（更新版） - App应...
...问题可参考这篇帖子。
第3步：创建应用标识符（App ID）
在开发者门户点击"标识符"→ 点"+"→ 选"App ID"→ 选"App"。
关键参数：
- 描述：用应用名称即可
- 应用ID前缀：选带"(Team ID)"...
How to get an array of specific “key” in multidimensional array without looping
Let's assume I have the following multidimensional array (retrieved from MySQL or a service):
4 Answers
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