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What does git push -u mean?
...or you, linking your repo to a central one. That way, in the future, Git "knows" where you want to push to and where you want to pull from, so you can use git pull or git push without arguments. A little bit down, this article explains and demonstrates this concept.
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Why escape_javascript before rendering a partial?
... generated javascript will look like this:
$("#reviews").append("...");
Now let's examine the ruby part inside the <%= ... %>. What does render(:partial => @review) do? It is rendering a partial - which means that it could be rendering any kind of code - html, css ... or even more javasc...
How to make clang compile to llvm IR
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@EliBendersky Do you know how to compile multiple .c and .h files into one human readable IR so that I can run the IR using 'lli theIrFile'? Thanks
– cache
Jul 20 '14 at 18:43
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What REALLY happens when you don't free after malloc?
This has been something that has bothered me for ages now.
17 Answers
17
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Storyboard - refer to ViewController in AppDelegate
...roject and specify the name of the new class in the IB identity inspector. Now how am I going to refer to this ViewController programmatically from the AppDelegate? I've made a variable with the relevant class and turned it into an IBOutlet property, but I don't see any way of being able to refer to...
How can I capitalize the first letter of each word in a string?
...urn re.sub("(^|\s)(\S)", lambda m: m.group(1) + m.group(2).upper(), s)
Now, these are some other answers that were posted, and inputs for which they don't work as expected if we are using the definition of a word being the start of the sentence or anything after a blank space:
return s.title(...
Why does Python pep-8 strongly recommend spaces over tabs for indentation?
...ogrammers choose to use spaces before PEP-8? That's what I really want to know. The advantages of tabs seem obvious to me, but not spaces.
– einnocent
Mar 1 '14 at 0:40
12
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The SQL OVER() clause - when and why is it useful?
...t
GROUP BY [Partition]
) agg ON orig.[Partition] = agg.[Partition]
Now look how you can do the same with a windowed aggregate:
SELECT
[Partition],
Value,
Value * 100.0 / SUM(Value) OVER (PARTITION BY [Partition]) AS ValuePercent
FROM OriginalRowset orig
Much easier and cleaner, isn'...
What is the difference between a weak reference and an unowned reference?
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Both weak and unowned references do not create a strong hold on the referred object (a.k.a. they don't increase the retain count in order to prevent ARC from deallocating the referred object).
But why two keywords? This distinction has to d...
Git fast forward VS no fast forward merge
...re great for when you've got a collection of closely-related branches that now and then you want to just move together. Not all merges are real history events.
– Cascabel
Jul 15 '11 at 0:44
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