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When should I use the new keyword in C++?
...s to have a constant size, determined at compile-time (the compiler has to set the stack pointer correctly, or if the object is a member of another class, it has to adjust the size of that other class). That's why arrays in C# are reference types. They have to be, because with reference types, we ca...
Generate list of all possible permutations of a string
...ion n in 1 to y:
index = (index[1], len(list))
for string s in list.subset(index[0] to end):
for character c in originalString:
list.add(s + c)
you'd then need to remove all strings less than x in length, they'll be the first (x-1) * len(originalString) entries in the list.
...
How to change file encoding in NetBeans?
... work for everything: netbeans.org/bugzilla/show_bug.cgi?id=179585 ... was set in that netbeans.conf, but does not work for JSPs ...
– FibreFoX
Sep 13 '16 at 15:24
3
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Generating Random Passwords
...he main problem with this solution is that you can't control the character set, so you can't eliminate visually ambiguous characters (0oOl1i!|) which can be really important in practice.
– David Hammond
Jun 19 '14 at 21:16
...
Why should casting be avoided? [closed]
...a number of "new" cast operators, each of which is restricted to only a subset of the capabilities of a C cast. This makes it more difficult to (for example) accidentally do a conversion you really didn't intend -- if you only intend to cast away constness on an object, you can use const_cast, and b...
Why should I care that Java doesn't have reified generics?
...l. (Of course, you can't tell it that the object will be one of a specific set that do not share methods that could be abstracted into an interface, which could be somewhat implemented in C++ using template specialization.)
– JAB
Jan 8 '14 at 19:00
...
Is there a rule-of-thumb for how to divide a dataset into training and validation sets?
...e a rule-of-thumb for how to best divide data into training and validation sets? Is an even 50/50 split advisable? Or are there clear advantages of having more training data relative to validation data (or vice versa)? Or is this choice pretty much application dependent?
...
Is there a command to refresh environment variables from the command prompt in Windows?
...ironment variables, so this is a combined solution.
Create a file named resetvars.vbs containing this code, and save it on the path:
Set oShell = WScript.CreateObject("WScript.Shell")
filename = oShell.ExpandEnvironmentStrings("%TEMP%\resetvars.bat")
Set objFileSystem = CreateObject("Scripting.f...
Access Control Request Headers, is added to header in AJAX request with jQuery
...
Here is an example how to set a request header in a jQuery Ajax call:
$.ajax({
type: "POST",
beforeSend: function(request) {
request.setRequestHeader("Authority", authorizationToken);
},
url: "entities",
data: "json=" + escape(JSON.stri...
How to Apply global font to whole HTML document
...e html too).
The !important ensures that nothing can override what you've set in this style (unless it is also important). (this is to help with your requirement that it should "ignore inner formatting of text" - which I took to mean that other styles could not overwrite these)
The rest of the sty...