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What is your single most favorite command-line trick using Bash? [closed]
...
My favorite is '^string^string2' which takes the last command, replaces string with string2 and executes it
$ ehco foo bar baz
bash: ehco: command not found
$ ^ehco^echo
foo bar baz
Bash command line history guide
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Solving “The ObjectContext instance has been disposed and can no longer be used for operations that
...oading. E.g. if you have this entity:
public class MemberLoan
{
public string LoandProviderCode { get; set; }
public virtual Membership Membership { get; set; }
}
Entity Framework will return proxy inherited from this entity and provide DbContext instance to this proxy in order to allow laz...
How can I display a pdf document into a Webview?
...ViewById(R.id.webview);
webview.getSettings().setJavaScriptEnabled(true);
String pdf = "http://www.adobe.com/devnet/acrobat/pdfs/pdf_open_parameters.pdf";
webview.loadUrl("https://drive.google.com/viewerng/viewer?embedded=true&url=" + pdf);
...
How do I determine whether an array contains a particular value in Java?
I have a String[] with values like so:
29 Answers
29
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jQuery select by attribute using AND and OR operators
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The and operator in a selector is just an empty string, and the or operator is the comma.
There is however no grouping or priority, so you have to repeat one of the conditions:
a=$('[myc=blue][myid="1"],[myc=blue][myid="3"]');
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right click context menu for datagridview
...ntMouseOverRow >= 0)
{
m.MenuItems.Add(new MenuItem(string.Format("Do something to row {0}", currentMouseOverRow.ToString())));
}
m.Show(dataGridView1, new Point(e.X, e.Y));
}
}
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Want to find records with no associated records in Rails
...ager loading table(s) Currently, Active Record recognizes the table in the string, and knows to JOIN the comments table to the query, rather than loading comments in a separate query. However, doing this without writing a full-blown SQL parser is inherently flawed. Since we don't want to write an SQ...
How to do SQL Like % in Linq?
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I'm assuming you're using Linq-to-SQL* (see note below). If so, use string.Contains, string.StartsWith, and string.EndsWith to generate SQL that use the SQL LIKE operator.
from o in dc.Organization
join oh in dc.OrganizationsHierarchy on o.Id equals oh.OrganizationsId
where oh.Hierarchy.Cont...
Why doesn't Java offer operator overloading?
...ounds C++ operator overloading is supposed to be?
We could overload the toString() method of a MyComplexNumber class to have it return the stringified hour of the day. Should the toString() overloading be banned, too? We could sabotage MyComplexNumber.equals to have it return a random value, modify...
Java Class that implements Map and keeps insertion order?
...you iterate over the keySet(), entrySet() or values() of the map.
Map<String, String> map = new LinkedHashMap<String, String>();
map.put("id", "1");
map.put("name", "rohan");
map.put("age", "26");
for (Map.Entry<String, String> entry : map.entrySet()) {
System.out.println(e...