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What does “Git push non-fast-forward updates were rejected” mean?
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GitHub has a nice section called "Dealing with “non-fast-forward” errors"
This error can be a bit overwhelming at first, do not fear.
Simply put, git cannot make the change on the remote without losing commits, so it refuses the push.
Usua...
Will ConfigurationManager.AppSettings[“blah”] throw an exception if “blah” doesn't exist?
...ar to me why there were answers that referenced the Get method - maybe one calls the other?
At any rate, to answer the question...
No. An exception will not be thrown if you access a non-existent key - a null will be returned.
Here is the relevant section from the NameValueCollection.Item propert...
Retrieve only the queried element in an object array in MongoDB collection
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MongoDB 2.2's new $elemMatch projection operator provides another way to alter the returned document to contain only the first matched shapes element:
db.test.find(
{"shapes.color": "red"},
{_id: 0, shapes: {$elemMatch: {color: "red"}}});
Returns:
{"shapes" : [{"...
Class with Object as a parameter
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The Table class is extending a class called object. It's not an argument. The reason you may want to extend object explicitly is it turns the class into a new-style class. If you don't explicitly specify it extends object, until Python 3, it will default to bein...
How big is too big for a PostgreSQL table?
...pment team has already run into a bit of a debate about the design, specifically the database.
2 Answers
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Can I simultaneously declare and assign a variable in VBA?
...ns on the same line (ie var1 = val1: var2 = val2). It will bug out speradically and allow you to do this type of assignment sometimes but as a whole not suggested by this notation.
– GoldBishop
Oct 10 '12 at 14:17
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Is git not case sensitive?
In the first commitment of my partial called _Electronics it was written beginning with a capital letters, then I changed it to _electronics .
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What is phtml, and when should I use a .phtml extension rather than .php?
...as a file ext as long as it is mapped to something, you could go ahead and call all your PHP files .jimyBobSmith and it would happily run them. PHTML just happened to be a trend that caught on for a while.
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Why can't I access DateTime->date in PHP's DateTime class?
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Besides calling DateTime::format() you can access the property using reflection:
<?php
$dt = new DateTime();
$o = new ReflectionObject($dt);
$p = $o->getProperty('date');
$date = $p->getValue($dt);
This is slight faster ...
How do I make an Android EditView 'Done' button and hide the keyboard when clicked?
When the user clicks on the EditView , Android opens the keyboard so that user can write in the EditView .
17 Answers
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