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Running multiple commands with xargs
...ht contain (such as $(rm -rf ~), to take a particularly malicious example) from being executed as code.
Similarly, the use of -d $'\n' is a GNU extension which causes xargs to treat each line of the input file as a separate data item. Either this or -0 (which expects NULs instead of newlines) is nec...
TypeScript with KnockoutJS
...any): Computed;
};
}
Put it in "Knockout.d.ts" and then reference it from your own files. As you can see, it would benefit greatly from generics (which are coming according to the specs).
I only made a few interfaces for ko.observable(), but ko.computed() and ko.observableArray() can be easil...
Mongodb Explain for Aggregation framework
...
Starting with MongoDB version 3.0, simply changing the order from
collection.aggregate(...).explain()
to
collection.explain().aggregate(...)
will give you the desired results (documentation here).
For older versions >= 2.6, you will need to use the explain option for aggregat...
Read a file in Node.js
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Run this code, it will fetch data from file and display in console
function fileread(filename)
{
var contents= fs.readFileSync(filename);
return contents;
}
var fs =require("fs"); // file system
var data= fileread("abc.txt"...
Add vertical whitespace using Twitter Bootstrap?
...on for used notation:
Spacing utilities that apply to all breakpoints, from xs to xl,
have no breakpoint abbreviation in them. This is because those classes
are applied from min-width: 0 and up, and thus are not bound by a
media query. The remaining breakpoints, however, do include a
bre...
How do I explicitly instantiate a template function?
...t is always the compiler the one that instantiates, that line is a request from the programmer to the compiler to instantiate the template. If you have a copy of the C++ standard, read 14.7.2 Explicit instantiation
– David Rodríguez - dribeas
Feb 8 '11 at 12:5...
Stylecop vs FXcop
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stylecop works on your C# source code. fxcop looks at your compiled code from any .net language.
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What's the best practice to “git clone” into an existing folder?
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Note that this is exactly the suggestion from @ChrisJohnsen that he left in the comments. I found it useful and wanted to make it into an actual answer. Chris, if you end up putting up an answer, I'll happily delete this one.
– amicitas
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Is “else if” faster than “switch() case”? [duplicate]
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From my point of view switch is also far more readable than if-elseif chain. which is also prone to errors such as mixing up if-else; if-else; in it which has other side effects. with switch you see n-fork right away, while w...
Location of sqlite database on the device
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Just in case if you like to obtain the path from the app, it's context.getDatabasePath("<your-database-name>"). Which in fact returns the path above. You can access this path for read-write but only from application that created the database.
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