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A semantics for Bash scripts?
More than any other language I know, I've "learned" Bash by Googling every time I need some little thing. Consequently, I can patchwork together little scripts that appear to work. However, I don't really know what's going on, and I was hoping for a more formal introduction to Bash as a programmin...
Object reference not set to an instance of an object.Why doesn't .NET show which object is `null`?
... the IL that actually executes, but rather native code built from it at runtime.
– Oskar Berggren
Feb 9 '13 at 12:07
2
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Difference between 'struct' and 'typedef struct' in C++?
... in the tag namespace.
You'd have to declare it as:
struct Foo x;
Any time you want to refer to a Foo, you'd always have to call it a struct Foo. This gets annoying fast, so you can add a typedef:
struct Foo { ... };
typedef struct Foo Foo;
Now struct Foo (in the tag namespace) and just pla...
What is the type of lambda when deduced with “auto” in C++11?
... the type really unnamed, or is it just not given a name until compilation time? IOW, could one use RTTI to find the name the compiler decided upon?
– Ben
Oct 31 '11 at 19:17
3
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Solutions for INSERT OR UPDATE on SQL Server
...ond updates the record. Adding a lock allow this to happen in a very short time-frame, preventing an error.
– Jean Vincent
Feb 29 '12 at 11:31
1
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How to search for “R” materials? [closed]
...
Most of the time I find googling for R plus my searching term works fine. When it doesn't, I'll try using "R project", or adding CRAN, statistic or language to the search.
Is there a particular topic that you're having problems searchi...
How do I measure the execution time of JavaScript code with callbacks?
...
Use the Node.js console.time() and console.timeEnd():
var i;
console.time("dbsave");
for(i = 1; i < LIMIT; i++){
db.users.save({id : i, name : "MongoUser [" + i + "]"}, end);
}
end = function(err, saved) {
console.log(( err || !saved )...
Difference between /res and /assets directories
...resources are turned into constant field names that are checked at compile time, so there's less of an opportunity for mismatches between the code and the resources themselves. None of that applies to assets.
So why have an assets folder at all? If you want to compute the asset you want to use at r...
What is the documents directory (NSDocumentDirectory)?
...
Hilarious how I need to google this each time I have to use it. I think all mobile platforms should provide default global parameter for the home/writable directory
– Ravindranath Akila
Feb 18 '14 at 7:42
...
SecurityException: Permission denied (missing INTERNET permission?)
....xml file or, as internet permission is granted at installation not at run time, by long standing, missed bug in Android framework that causes your app to be successfully installed, but without expected permission grant.
My Manifest is correct, so how can this happen?
Theoretically, presence of us...