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Can I set null as the default value for a @Value in Spring?
...can't use
<context:property-placeholder null-value="@null" ... />
Tested with Spring 3.1.1
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Why can outer Java classes access inner class private members?
...as surprised ...
class MyPrivates {
static class Inner1 { private int test1 = 2; }
static class Inner2 { private int test2 = new Inner1().test1; }
public static void main(String[] args) {
System.out.println("Inner : "+new Inner2().test2);
}
}
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How do I put two increment statements in a C++ 'for' loop?
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I first thought you were incorrect, but I wrote some test code and you are correct - it does not behave like a comma operator. Will amend my answer!
– Paul Dixon
Aug 5 '09 at 10:27
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How to solve the error LNK2019: unresolved external symbol - function?
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One option would be to include function.cpp in your UnitTest1 project, but that may not be the most ideal solution structure. The short answer to your problem is that when building your UnitTest1 project, the compiler and linker have no idea that function.cpp exists, and also hav...
JavaScript - Get Portion of URL Path
...e: http://jessepollak.me/chrome-was-wrong-ie-was-right
This works in the latest versions of Chrome and Firefox. I do not have versions of Internet Explorer to test, so please test yourself with the JSFiddle example.
JSFiddle example
There's also a coming URL object that will offer this support for U...
Best way to create custom config options for my Rails app?
...t: http://blablalba/blabbitybla/yadda
development:
<<: *defaults
test:
<<: *defaults
production:
<<: *defaults
This configuration file gets loaded from a custom initializer in config/initializers:
# Rails 2
APP_CONFIG = YAML.load_file("#{RAILS_ROOT}/config/config.yml")[...
Java FileOutputStream Create File if not exists
...oc), but it will create it if it can. To be sure you probably should first test that the file exists before you create the FileOutputStream (and create with createNewFile() if it doesn't):
File yourFile = new File("score.txt");
yourFile.createNewFile(); // if file already exists will do nothing
Fi...
Remove sensitive files and their commits from Git history
...situation where you're rewriting history. When others try pull down your latest changes after this, they'll get a message indicating that the changes can't be applied because it's not a fast-forward.
To fix this, they'll have to either delete their existing repository and re-clone it, or follow th...
Check if string ends with one of the strings from a list
... str.endswith also accepts a tuple. You don't need to loop.
>>> 'test.mp3'.endswith(('.mp3', '.avi'))
True
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Reset push notification settings for app
...notifications. To check all possible ways of user interaction, I'd like to test my app when a user declines to have push notifications enabled for my app during the first start.
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