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Entity Framework. Delete all rows in table
...
var all = from c in dataDb.Table select c;
dataDb.Table.RemoveRange(all);
dataDb.SaveChanges();
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File input 'accept' attribute - is it useful?
...PDF, and EPS files, but accept='.jpg,.png,.gif,.pdf,.eps' didn't allow any selection. I tried many variations - space delimited, no dot characters, etc., but no dice in Chrome v20, so I ended up using the mime types and it worked great: accept='image/jpeg,image/gif,image/png,application/pdf,image/x-...
How to get the part of a file after the first line that matches a regular expression?
...it, -e indicated a script to sed, /TERMINATE/,$ is an address (line) range selection meaning the first line matching the TERMINATE regular expression (like grep) to the end of the file ($), and p is the print command which prints the current line.
This will print from the line that follows the line...
The breakpoint will not currently be hit. No symbols have been loaded for this document in a Silverl
...on --> Properties
Look under Common Properties --> Startup Project
Select multiple startup projects
select Start action on the projects you need to debug.
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Entity framework self referencing loop detected [duplicate]
...anonymous type with the props you want
example (psuedo)code:
departments.select(dep => new {
dep.Id,
Employee = new {
dep.Employee.Id, dep.Employee.Name
}
});
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Stop Visual Studio from mixing line endings in files
...file where they are inconsistent, so all you need to do is open the files, select the desired option from the prompt and save them again.
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How do I make a JAR from a .java file?
... project in your IDE and put your Java files inside of the project folder.
Select the project in the IDE and export the project as a JAR. Double check that the appropriate java files are selected when exporting.
You can always do this all very easily with the command line. Make sure that you are i...
How do you use the Immediate Window in Visual Studio?
...tMessage()
"hello"
A very common way to see the value of a method is to select the method name of a class and do a ‘Add Watch’ so that you can see its current value in the Watch window. However, once again, the object needs to be instantiated and in scope for a valid value to be displayed. ...
What is the leading LINQ for JavaScript library? [closed]
... different names (in fact, they have more traditional names than in Linq). Select becomes map, Where becomes filter, First and FirstOrDefault become [0].
Almost no library I know of (including I think the ones you linked to) bother to make the implementation lazy as in .NET Linq, they just evaluate...
Find and replace - Add carriage return OR Newline
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Make sure "Use: Regular expressions" is selected in the Find and Replace dialog:
Note that for Visual Studio 2010, this doesn't work in the Visual Studio Productivity Power Tools' "Quick Find" extension (as of the July 2011 update); instead, you'll need to use t...