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Is pass-by-value a reasonable default in C++11?
...pass references around, which is faster, but which introduces all sorts of complicated questions around ownership and especially around memory management (in the event that the object is heap-allocated)
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Access to Modified Closure (2)
...nside the loop. I don't have a specification reference, but it basically becomes:
{
E e = ((C)(x)).GetEnumerator();
try {
while (e.MoveNext()) {
V v = (V)(T)e.Current;
embedded-statement
}
}
finally {
… // Dispose e
}
}
Re un...
In R, how to get an object's name after it is sent to a function?
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Remote branch is not showing up in “git branch -r”
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What does “all” stand for in a makefile?
...denotes that if you invoke it, make will build all what's needed to make a complete build. This is usually a dummy target, which doesn't create any files, but merely depends on the other files. For the example above, building all necessary is building executables, the other files being pulled in a...
Best way to check if a Data Table has a null value in it
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Try comparing the value of the column to the DBNull.Value value to filter and manage null values in whatever way you see fit.
foreach(DataRow row in table.Rows)
{
object value = row["ColumnName"];
if (value == DBNull.Val...
Is having an 'OR' in an INNER JOIN condition a bad idea?
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How do I use a file grep comparison inside a bash if/else statement?
When our server comes up we need to check a file to see how the server is configured.
4 Answers
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getenv() vs. $_ENV in PHP
...itive manner. Most of the time it probably doesn't matter, but one of the comments on the documentation explains:
For example on Windows $_SERVER['Path'] is like you see, with the first letter capitalized, not 'PATH' as you might expect.
Because of that, I would probably opt to use getenv un...
Loading existing .html file with android WebView
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