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Is there a shortcut in Eclipse to Re-run the most recently launched program?
... Always launch the previously launched application
As Thorbjørn Ravn Andersen mentions in the comment, launching the last app used to be (3.2 or before) the default behavior.
Since 3.3M6 (March 2007), As illustrated by this thread:
By default, running and debugging applications has been si...
Creating a dynamic choice field
I'm having some trouble trying to understand how to create a dynamic choice field in django. I have a model set up something like:
...
java.lang.IllegalStateException: Can not perform this action after onSaveInstanceState
...nloading data from internet. In the onPreExecute() method I add a Fragment and in the onPostExecute() method I remove it again. When the orientation is changed in between, I get the above mentioned exception. Please take a look at the details:
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App Inventor 2 SQLite 拓展：超流行兼容主流SQL语法的迷你本地数据库引擎...
...sql中如果有多个变量则需要多个值，比如：... where age > ? and id < ? bindParams 就是2个元素组成的列表，对应上面的2个占位符。
带 where age > 23的条件查询结果如下：
注册登录案例
.aia 案例源码下载：
login_si...
In jQuery how can I set “top,left” properties of an element with position values relative to the par
...ion relative to the parent you need to set the position:relative of parent and position:absolute of the element
$("#mydiv").parent().css({position: 'relative'});
$("#mydiv").css({top: 200, left: 200, position:'absolute'});
This works because position: absolute; positions relatively to the closes...
Can I set null as the default value for a @Value in Spring?
...ckoverflow.com/questions/9347929/… mentions using ${some.param:#{null}}, and that worked for me without having to set nullValue, seems that this is the default? (In a Spring Boot application.)
– vorburger
Oct 5 '14 at 21:43
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Best way to create an empty map in Java
...compared to Collections.emptyMap(). From the Javadoc:
This map behaves and performs comparably to Collections.emptyMap(),
and is preferable mainly for consistency and maintainability of your
code.
2) Map that you can modify:
Maps.newHashMap()
// or:
Maps.<String, String>newHashMap(...
Updating MySQL primary key
...delete u from user_interactions u, fixit
where fixit.user_2 = u.user_2
and fixit.user_1 = u.user_1
and fixit.type = u.type
and fixit.timestamp != u.timestamp;
alter table user_interactions add primary key (user_2, user_1, type );
unlock tables;
The lock should stop further updates comi...
How do I get the name of the active user via the command line in OS X?
How do I get the name of the active user via the command line in OS X?
12 Answers
12
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How to add -Xlint:unchecked to my Android Gradle based project?
...aleb, I assume you mean only apply the setting to the current build.gradle and not to all build.gradle's (i.e. allprojects). In that case, don't wrap it in an allprojects closure.
– TheChrisPratt
Jul 23 '14 at 6:17
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