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C++11 range based loop: get item by value or reference to const
...se, but in the way it is written):
long long SafePop(std::vector<uint32_t>& v)
{
auto const& cv = v;
long long n = -1;
if (!cv.empty())
{
n = cv.back();
v.pop_back();
}
return n;
}
Here, the author has created a const reference to v to use for...
Finding three elements in an array whose sum is closest to a given number
...uch sum the first term (A[j]) will be the same...
– j_random_hacker
Oct 3 '12 at 18:30
1
... and ...
How do you create a static class in C++?
...uld be to add the following code #define private public in the headers... ^_^ ...
– paercebal
Sep 10 '10 at 17:20
1
...
What should I do if the current ASP.NET session is null?
...s doing initialization logic during startup, for example on the Application_Start event or by using a static constructor, Session state might not be available. It all boils down to whether there is a current request and AcquireRequestState has been run.
Also, should the client have disabled cookies,...
How to echo with different colors in the Windows command line
...numpad and the left ALT key: L-ALT+0+2+7
– kayleeFrye_onDeck
Jan 21 '17 at 6:45
3
Btw, as someone...
What is PECS (Producer Extends Consumer Super)?
...
@AZ_ I share your sentiment. If a method do get() from the list, the method would be considered a Consumer<T>, and the list is considered a provider; but the rule of PECS is “from the list’s point of view”, thus ‘e...
Assign width to half available screen width declaratively
...
If your widget is a Button:
<LinearLayout android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:weightSum="2"
android:orientation="horizontal">
<Button android:layout_width="0dp"
android:layout_height="wrap_content"
...
Modify request parameter with servlet filter
...r extends Filter {
public static final ThreadLocal<String> THREAD_VARIABLE = new ThreadLocal<>();
public void doFilter(HttpServletRequest request, HttpServletResponse response, FilterChain chain) {
THREAD_VARIABLE.set("myVariableValue");
chain.doFilter(request, re...
How to validate phone numbers using regex
...er is 1' OR 1=1 -- PWNED. See xkcd.com/327 and owasp.org/index.php/Testing_for_SQL_Injection_(OWASP-DV-005)
– Aaron Newton
Sep 19 '13 at 8:31
...
Use CSS3 transitions with gradient backgrounds
...
And here's a fiddle for that: jsfiddle.net/Volker_E/RksTV The key is the property background-size, which you can't in IE8. caniuse.com/#search=background-size Apart from that it's a nice solution.
– Volker E.
Nov 7 '13 at 22:35
...