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How to Empty Caches and Clean All Targets Xcode 4 and later
...st here: Xcode Includes .xib files that have been deleted! that cleaning all targets and empty the caches will fix the problem with Xcode including deleted .xib files but I cannot find a way to empty the cache in Xcode 4.
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javac option to compile all java files under a given directory recursively
...oject and don't have any proper build tools nearby, you can always use a small trick that javac offers: the classnames to compile can be specified in a file. You simply have to pass the name of the file to javac with the @ prefix.
If you can create a list of all the *.java files in your project, it'...
What is the difference between “INNER JOIN” and “OUTER JOIN”?
...b;
a | b
--+--
3 | 3
4 | 4
Left outer join
A left outer join will give all rows in A, plus any common rows in B.
select * from a LEFT OUTER JOIN b on a.a = b.b;
select a.*, b.* from a,b where a.a = b.b(+);
a | b
--+-----
1 | null
2 | null
3 | 3
4 | 4
Right outer join
A right outer j...
Replace all elements of Python NumPy Array that are greater than some value
I have a 2D NumPy array and would like to replace all values in it greater than or equal to a threshold T with 255.0. To my knowledge, the most fundamental way would be:
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How do I tell Maven to use the latest version of a dependency?
In Maven, dependencies are usually set up like this:
12 Answers
12
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When do you use Git rebase instead of Git merge?
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Short Version
Merge takes all the changes in one branch and merges them into another branch in one commit.
Rebase says I want the point at which I branched to move to a new starting point
So when do you use either one?
Merge
Let's say you have creat...
Git - What is the difference between push.default “matching” and “simple”
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git push can push all branches or a single one dependent on this configuration:
Push all branches
git config --global push.default matching
It will push all the branches to the remote branch and would merge them.
If you don't want to push all...
C++ Singleton design pattern
... design pattern that is lazy-evaluated, guaranteed-destruction, not-technically-thread-safe:
Can any one provide me a sample of Singleton in c++?
Here is an updated C++11 implementation of the Singleton design pattern that is lazy-evaluated, correctly-destroyed, and thread-safe.
class S
{
pu...
Detect browser or tab closing
...closed. Also, the onbeforeunload is non-standard, so it's not supported by all browsers.
– Guffa
Oct 8 '10 at 8:45
8
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REST URI convention - Singular or plural name of resource while creating it
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The premise of using /resources is that it is representing "all" resources. If you do a GET /resources, you will likely return the entire collection. By POSTing to /resources, you are adding to the collection.
However, the individual resources are available at /resource. If you do a ...