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Tomcat: How to find out running tomcat version
...e correct answer. I don't see why you need to write a JSP and deploy it in order to determine the tomcat version. This answer can has wider audience not just programmers, such as system admin just wanting to know exact tomcat version.
– Itherael
Nov 1 '17 at 17...
What is the difference between “def” and “val” to define a function
...if you need a function (not method) for function composition or for higher order functions (like filter(even)) compiler will generate a function from your method every time you are using it as function, so performance could be slightly worse than with val.
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Setting DIV width and height in JavaScript
...0px");
For cross-compatibility, you will still need to use the property. Order may also matter. For instance, in my code, when setting style properties with JavaScript, I set the style attribute first, then I set the properties:
document.getElementById("mydiv").setAttribute("style","display:block...
How to print (using cout) a number in binary form?
...
#include <iostream>
#include <cmath> // in order to use pow() function
using namespace std;
string show_binary(unsigned int u, int num_of_bits);
int main()
{
cout << show_binary(128, 8) << endl; // should print 10000000
cout << show_binar...
Android, canvas: How do I clear (delete contents of) a canvas (= bitmaps), living in a surfaceView?
In order to make a simple game, I used a template that draws a canvas with bitmaps like this:
18 Answers
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Can I mask an input text in a bat file?
...un.
Now, as mentioned, scriptpw.dll is available only up to XP/2003. In order to rectify this, you can simply copy the scriptpw.dll file from the Windows\System32 folder of an XP/2003 system to the Winnt\System32 or Windows\System32 folder on your own system. Once the DLL has been copied, you wil...
Why would I ever use push_back instead of emplace_back?
...ncluding the version that ship with Visual Studio 2012, 2013 and 2015.
In order to accommodate known compiler bugs, prefer usingstd::vector::push_back() if the parameters reference iterators or other objects which will be invalid after the call.
std::vector<int> v;
v.emplace_back(123);
v.emp...
How to find the foreach index?
...
This should be useful if you want to use a plain old PHP associative array to store data which is to be exposed via the Iterable interface (where you need to keep track of where you are in a loop).
– Peter
Dec 15 '11 at 21:33
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Is there a cross-domain iframe height auto-resizer that works?
...to their content. It uses the PostMessage and MutationObserver APIs, with fall backs for IE8-10. It also has options for the content page to request the containing iFrame is a certain size and can also close the iFrame when your done with it.
https://github.com/davidjbradshaw/iframe-resizer
2. Use E...
How to sort a HashMap in Java [duplicate]
... you're handed existing Maps and just want to iterate through them in some order. Also, the LinkedHashMap can maintain by insertion order (which I often like for debugging), or by access order. And finally if you're doing a lot of this you might check out Java 1.6 and NavigableMap, awesome stuff!
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