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In-place edits with sed on OS X
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You can use the -i flag correctly by providing it with a suffix to add to the backed-up file. Extending your example:
sed -i.bu 's/oldword/newword/' file1.txt
Will give you two files: one with the name file1.txt that contains...
How to kill zombie process
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A zombie is already dead, so you cannot kill it. To clean up a zombie, it must be waited on by its parent, so killing the parent should work to eliminate the zombie. (After the parent dies, the zombie will be inherited by pid 1, which will wait on it and c...
C# constructor execution order
...Constructor chaining works out which base class constructor is going to be called
The base class is initialized (recurse all of this :)
The constructor bodies in the chain in this class are executed (note that there can be more than one if they're chained with Foo() : this(...) etc
Note that in Ja...
difference between Product Backlog Item and Feature in Team Foundation work item types
...estion about Microsoft Team Foundation. In Visual Studio, Team Explorer, I can create a new work item. Work item types here are dictated by your team's chosen process template; I'm not sure which process template we're using. In any case, in Team Explorer, when I want to create a new work item, I'm ...
Install go with brew, and running the gotour
....golang.org/ untill I got to the third step about that tells you that you can install the gotour on your system.
After that I've installed the go language with brew by:
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What exactly is Python multiprocessing Module's .join() Method Doing?
...thon Multiprocessing (from a PMOTW article ) and would love some clarification on what exactly the join() method is doing.
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gitignore all files of extension in directory
...er below: if you want to ignore files in a specific subdirectory, then a local .gitignore is the right solution (locality is good). However if you need the same pattern to apply to your whole repo, then the ** solution is better.
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Why is it wrong to use std::auto_ptr with standard containers?
...element must be able to be assigned or copied and the two elements are logically independent. std::auto_ptr does not fulfill this requirement.
Take for example this code:
class X
{
};
std::vector<std::auto_ptr<X> > vecX;
vecX.push_back(new X);
std::auto_ptr<X> pX = vecX[0]; //...
How does the extend() function work in jQuery?
...r=undefined Baz=undefined
R: Foo=3 Bar=1 Baz=2
A === R?: true
By this we can see that jQuery.extend():
Starts with the object provided by the first parameter.
Adds to it any property in the second parameter. If the property already exists in the first parameter, it is overwritten. The object for...
MySQL - why not index every field?
...ly I've learned the wonder of indexes, and performance has improved dramatically. However, with all I've learned, I can't seem to find the answer to this question.
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