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Entity Framework: “Store update, insert, or delete statement affected an unexpected number of rows (
... error as it doesn't yet exist in the database. Here is my code:
MyObject foo = new MyObject()
{
someAttribute = someValue
};
context.Entry(foo).State = EntityState.Modified;
context.SaveChanges();
Yes, this seems daft, but it arose because the method in question used to have foo passed to i...
No generic implementation of OrderedDictionary?
... Assert.AreEqual(0, od.Count);
Assert.AreEqual(-1, od.IndexOf("foo"));
od.Add("foo", "bar");
Assert.AreEqual(1, od.Count);
Assert.AreEqual(0, od.IndexOf("foo"));
Assert.AreEqual(od[0], "bar");
Assert.AreEqual(od["foo"], "bar");...
Undo a merge by pull request?
... so, e.g.:
git fetch upstream
git checkout upstream/master -b revert/john/foo_and_bar
Taking a look at the commit log, you should find something similar to this:
commit b76a5f1f5d3b323679e466a1a1d5f93c8828b269
Merge: 9271e6e a507888
Author: Tim Tom <tim@tom.com>
Date: Mon Apr 29 06:12:3...
Is the primary key automatically indexed in MySQL?
...exes.
For instance, if you created a table as such
CREATE TABLE mytable (foo INT NOT NULL PRIMARY KEY, bar INT NOT NULL, baz INT NOT NULL,
UNIQUE(foo), INDEX(foo)) ENGINE=InnoDB;
because you want to index the primary key and enforce an uniqueness constraint on it, you'd actually end up creatin...
How to check for a JSON response using RSpec?
...en you can make your assertions against that parsed content.
parsed_body["foo"].should == "bar"
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Can I use require(“path”).join to safely concatenate urls?
...rl-join');
var fullUrl = urljoin('http://www.google.com', 'a', '/b/cd', '?foo=123');
console.log(fullUrl);
Prints:
'http://www.google.com/a/b/cd?foo=123'
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...
Determine if an element has a CSS class with jQuery
...assName string. So if, for instance, you have an element,
<span class="foo bar" />
then this will return true:
$('span').hasClass('foo bar')
and these will return false:
$('span').hasClass('bar foo')
$('span').hasClass('foo bar')
...
SVN Commit specific files
...Sure. Just list the files:
$ svn ci -m "Fixed all those horrible crashes" foo bar baz graphics/logo.png
I'm not aware of a way to tell it to ignore a certain set of files. Of course, if the files you do want to commit are easily listed by the shell, you can use that:
$ svn ci -m "No longer sets ...
Simple logical operators in Bash
...ng1" == "$string2" (beware that the right-hand side is a pattern, e.g. [[ $foo == a* ]] tests if $foo starts with a while [[ $foo == "a*" ]] tests if $foo is exactly a*), and the familiar !, && and || operators for negation, conjunction and disjunction as well as parentheses for grouping. No...
Bash Templating: How to build configuration files from templates with Bash?
...
Try envsubst
FOO=foo
BAR=bar
export FOO BAR
envsubst <<EOF
FOO is $FOO
BAR is $BAR
EOF
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