[Solved] Variable has two values simultaneously?

[ad_1] Changing a const-value yields undefined behaviour, and the “mysterious” output is just such undefined behaviour. It is actually needless to investigate on why a behaviour in the world of undefined behaviour is as it is then. But in your case it is probably not using a as you declare it as const, so the … Read more

[Solved] ASP.NET: Could anyone provide some C# paging codes in Repeater or ListView controls for me to learn [closed]

[ad_1] Here is a pager control that I created to drop into the PagerTemplate of a GridView. It’s not the most complicated stuff, but it shows how a pager control can ‘see’ the grid that it belongs to and render a dropdown to jump to a specific page. DataPager.ascx <%@ Control Language=”C#” AutoEventWireup=”true” EnableViewState=”true” CodeFile=”DataPager.ascx.cs” … Read more

[Solved] DO customize PHP Array?

[ad_1] Two changes: foreach($original as $value) { if(substr($value,0,2) == “03”) { // CHANGE 1 $save = $value; ++$r;//inc parent $j = 0; // child $move_level[$r][$j] =$value; } else { if (($j % 4) > 0) $value .= $value; // CHANGE 2 else if ($j && $j % 4 == 0) $value = $save.$value; $move_level[$r][floor($j / … Read more

[Solved] C++ mysterious code. any security issue? [closed]

[ad_1] This with g++ compiles, and I don’t think there’s any UB struct Va { Va(struct Foo&, int) {} }; int operator++(const Va&, int) { return 42; } struct Foo { Va va; Foo(Foo &afoo) : va(afoo,va++) {} }; to be specific operator++ is not doing anything with the not-yet-initialized va data member. It’s more … Read more

[Solved] In Python how can I change the values in a list to meet certain criteria

[ad_1] Assuming the existing values don’t matter this would work def fixList(inputList, splitChar=”X”): outputList = inputList[:] x = None for i in xrange(len(outputList)): if outputList[i] == splitChar: outputList[i] = x = 0 elif x is None: continue else: outputList[i] = x x += 1 return outputList eg >>> a = [‘X’,1,2,3,4,5,6,7,8,9,’X’,11,12,13,14,15,16,17,18,19,20] >>> fixList(a) [0, 1, … Read more

[Solved] Could you please help me to understand an R code?

[ad_1] First of all, in general, var <- expr evaluates the R expression expr and assigns the result to the variable var. If the statement occurs inside a function, then var becomes a function-local variable, otherwise, it becomes a global variable. c(0,0,0,1,0,1,0,1,1,1,1,0) Combines 12 double literals into a double vector in the order given. matrix(c(0,0,0,1,0,1,0,1,1,1,1,0),4,3, … Read more

[Solved] Make 2 arrays from one array [closed]

[ad_1] You can try something like this: int[] arr= {-1, -2, 0, 1, 2}; int p=0; int n=0; for(int i=0; i<arr.length-1; ++i) { if(arr[i]>=0) { p=p+1; } else { n=n+1; } } int[] posarr=new int[p]; int[] negarr=new int[n]; p=0; n=0; for(int i=0; i<arr.length-1; ++i) { if(arr[i]>=0) { posarr[p]=arr[i]; p=p+1; } else { negarr[n]=arr[i]; n=n+1; } … Read more

[Solved] “java.lang.NoClassDefFoundError: javax/mail/MessagingException” (Using spigot / Bukkit) (Eclipse) [closed]

[ad_1] 1) Have you used following 2 jars ? mail.jar activation.jar 2) Try switching to latest jars if issue still persist. 3) Make sure jar are available in class-path and there are no version conflicts. 4) Try upgrading you java version to 1.6+ if using lower versions. 5) Add the jars to your WEB-INF/lib folder … Read more