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Check folder size in Bash
I'm trying to write a script that will calculate a directory size and if the size is less than 10GB, and greater then 2GB do some action. Where do I need to mention my folder name?
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Serialize Class containing Dictionary member
... bool wasEmpty = reader.IsEmptyElement;
reader.Read();
if (wasEmpty)
return;
while (reader.NodeType != System.Xml.XmlNodeType.EndElement)
{
reader.ReadStartElement("item");
reader.ReadStartElement("key");
TKey key ...
BeanFactory vs ApplicationContext
...nvenient MessageSource access (for i18n)
ApplicationEvent publication
So if you need any of the points presented on the Application Context side, you should use ApplicationContext.
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Running multiple async tasks and waiting for them all to complete
...r task2 = DoMoreWorkAsync();
await Task.WhenAll(task1, task2);
The main difference between Task.WaitAll and Task.WhenAll is that the former will block (similar to using Wait on a single task) while the latter will not and can be awaited, yielding control back to the caller until all tasks finish.
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JavaScript click event listener on class
... does the looping part for you, which you need to do in plain JavaScript.
If you have ES6 support you can replace your last line with:
Array.from(elements).forEach(function(element) {
element.addEventListener('click', myFunction);
});
Note: Older browsers (like IE6, IE7, IE8) don´...
Why does Java's hashCode() in String use 31 as a multiplier?
...on stackoverflow):
The value 31 was chosen because it is an odd prime. If it were even and the multiplication overflowed, information would be lost, as multiplication by 2 is equivalent to shifting. The advantage of using a prime is less clear, but it is traditional. A nice property of 31 is tha...
java.nio.file.Path for a classpath resource
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@VGR if resources in .jar file could try this ` Resource resource = new ClassPathResource("usage.txt"); BufferedReader reader = new BufferedReader(new InputStreamReader(resource.getInputStream()));` please see stackoverflow.c...
Where should I put the log4j.properties file?
...ntioned previously in this thread.
Put log4j-xx.jar under WEB-INF\lib
Test if log4j was loaded: add -Dlog4j.debug @ the end of your java options of tomcat
Hope this will help.
rgds
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How to call shell commands from Ruby
...his explanation is based on a commented Ruby script from a friend of mine. If you want to improve the script, feel free to update it at the link.
First, note that when Ruby calls out to a shell, it typically calls /bin/sh, not Bash. Some Bash syntax is not supported by /bin/sh on all systems.
Here...
how to POST/Submit an Input Checkbox that is disabled?
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To make it valid HTML, specifically set the value of readonly to readonly, i.e.: <input name="foo" value="bar" readonly="readonly" />
– Matt Huggins
Jan 18 '11 at 19:20
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