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How do you merge two Git repositories?
...rebase -s subtree Bproject master If you don't do that, and you have pull set to rebase automatically, you'll end up with "Could not parse object". See osdir.com/ml/git/2009-07/msg01576.html
– Eric Bowman - abstracto -
Sep 16 '12 at 14:35
...
Rails :include vs. :joins
... records.
includes - When using an association on each member of a result set.
Longer version
Joins is meant to filter the result set coming from the database. You use it to do set operations on your table. Think of this as a where clause that performs set theory.
Post.joins(:comments)
is the s...
Why does .NET foreach loop throw NullRefException when collection is null?
So I frequently run into this situation... where Do.Something(...) returns a null collection, like so:
11 Answers
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Pointer arithmetic for void pointer in C
...standard defines void as:
6.2.5-19: The void type comprises
an empty set of values;
it is an incomplete type that cannot
be completed.
Since void is an incomplete type, it is not an object type. Therefore it is not a valid operand to an addition operation.
Therefore you cannot perform ...
Enforcing the type of the indexed members of a Typescript object?
...
Define interface
interface Settings {
lang: 'en' | 'da';
welcome: boolean;
}
Enforce key to be a specific key of Settings interface
private setSettings(key: keyof Settings, value: any) {
// Update settings key
}
...
Newline in string attribute
How can I add a line break to text when it is being set as an attribute i.e.:
13 Answers
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Detecting if an NSString contains…?
... NSLinguisticTaggerOmitOther ];
[linguisticTagger setString:@"Here is my string. His isn't a mississippi isthmus. It is?"];
[linguisticTagger enumerateTagsInRange:NSMakeRange(0,
[[linguisticTagger string] length])
...
How may I sort a list alphabetically using jQuery?
...rt("The UL object is null!");
return;
}
// Get the list items and setup an array for sorting
var lis = ul.getElementsByTagName("LI");
var vals = [];
// Populate the array
for(var i = 0, l = lis.length; i < l; i++)
vals.push(lis[i].innerHTML);
// Sort it
vals.sort();
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How do you divide each element in a list by an int?
...on:
myList = [10,20,30,40,50,60,70,80,90]
myInt = 10
newList = [x / myInt for x in myList]
or, if you need to maintain the reference to the original list:
myList[:] = [x / myInt for x in myList]
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Something like 'contains any' for Java set?
I have two sets, A and B, of the same type.
9 Answers
9
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