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How do I find and view a TFS changeset by comment text?
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With the Power Tools installed:
tf history $/ -r | ? { $_.comment -like '*findme*' }
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How to update column with null value
...have tried this many different ways and the best I have gotten is an empty string.
13 Answers
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When should I choose Vector in Scala?
It seems that Vector was late to the Scala collections party, and all the influential blog posts had already left.
6 Answ...
How to prevent a dialog from closing when a button is clicked
...= new AlertDialog.Builder(context)
.setView(v)
.setTitle(R.string.my_title)
.setPositiveButton(android.R.string.ok, null) //Set to null. We override the onclick
.setNegativeButton(android.R.string.cancel, null)
.create();
dialog.setOnShowListener(new DialogIn...
How do I programmatically click a link with javascript?
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Actually, so far it worked in all browsers I tried, including IE, Safari, Chrome, Firefox and Opera.
– arik
Jan 29 '12 at 17:17
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Pip freeze vs. pip list
...you are using a virtualenv, you can specify a requirements.txt file to install all the dependencies.
A typical usage:
$ pip install -r requirements.txt
The packages need to be in a specific format for pip to understand, which is
feedparser==5.1.3
wsgiref==0.1.2
django==1.4.2
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That is the ...
Should I use string.isEmpty() or “”.equals(string)?
I'm usually testing this alongside a string == null , so I'm not really concerned about a null-safe test. Which should I use?
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Generate Java classes from .XSD files…?
...item>
Easy right? You can alternatively channel the output XML as text String, Stream, Writer, ContentHandler, etc by simply change the parameter of the marshal(...) method like
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JAXBContext context = JAXBContext.newInstance(item.getClass());
Marshaller marshaller = context.createMarshaller()...
Double not (!!) operator in PHP
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This means that for any true value (numbers other than zero, non-empty strings and arrays, etc.) you will get the boolean value TRUE, and for any false value (0, 0.0, NULL, empty strings or empty arrays) you will get the boolean value FALSE.
It is functionally equivalent to a cast to boolean:
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Reading a List from properties file and load with spring annotation @Value
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Using Spring EL:
@Value("#{'${my.list.of.strings}'.split(',')}")
private List<String> myList;
Assuming your properties file is loaded correctly with the following:
my.list.of.strings=ABC,CDE,EFG
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