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Does the C++ standard mandate poor performance for iostreams, or am I just dealing with a poor imple
...sider how negligible the penalty would have been if write was called on an array of 1m ints instead of on 1m times on one int. And in a real-life situation one would really appreciate the important features of IOStreams, namely its memory-safe and type-safe design. Such benefits come at a price, and...
Creating a JSON response using Django and Python
...an object ("dictionary") at the top level, JSON is perfectly happy with an array at the top-level.
– Thanatos
Jun 20 '12 at 21:39
...
Best way to parse command line arguments in C#? [closed]
...nd /b- for false) or by adding the value true/false, yes/no, etc.
Argument arrays: Simply add multiple values after the command-line name to set a property that is defined as an array. Ex, /x 1 2 3 will populate x with the array { 1, 2, 3 } (assuming x is defined as an array of integers).
Command-li...
Dynamic constant assignment
...e the value of a constant in a method, and your constant is a String or an Array, you can 'cheat' and use the #replace method to cause the object to take on a new value without actually changing the object:
class MyClass
BAR = "blah"
def cheat(new_bar)
BAR.replace new_bar
end
end
p MyCl...
What is the difference between Directory.EnumerateFiles vs Directory.GetFiles?
...collection is returned; when you use GetFiles, you must wait for the whole array of names to be returned before you can access the array. Therefore, when you are working with many files and directories, EnumerateFiles can be more efficient.
So basically, EnumerateFiles returns an IEnumerable which ...
How to return an empty ActiveRecord relation?
...ll not be any matches, but I still want to return a relation, not an empty array:
9 Answers
...
How to create a sequence of integers in C#?
... 0 through 10, the second parameter would be 11. And if you need an actual array and not IEnumerable<int>, include a call .ToArray().
– Anthony Pegram
Jan 3 '11 at 22:11
...
Is there a command like “watch” or “inotifywait” on the Mac?
...;logger</string>
<key>ProgramArguments</key>
<array>
<string>/usr/bin/logger</string>
<string>path modified</string>
</array>
<key>WatchPaths</key>
<array>
<string>/Users/sakra/D...
Multiple Updates in MySQL
... END WHERE id IN ('.implode(', ', array_keys(blockOperationChecked )).');';
– Boolean_Type
Feb 15 '17 at 8:43
add a comment
...
How to overload functions in javascript?
...ument.
For variable numbers of arguments, you can use the arguments pseudo-array to access any given argument with arguments[i].
Here are some examples:
Let's look at jQuery's obj.data() method. It supports four different forms of usage:
obj.data("key");
obj.data("key", value);
obj.data();
obj....