Array index out of bound in C

Array index out of bound in C

Why does C differentiates in case of array index out of bound#include int main(){ int a[10]; a[3]=4; a[11]=3;//does not give segmentation fault a[25]=4;//does not give segmentation fault a[20000]=3; //gives segmentat

C++ delete - It deletes my objects but I can still access the data?

C++ delete - It deletes my objects but I can still access the data?

I have written a simple, working tetris game with each block as an instance of a class singleblock.class SingleBlock{ public: SingleBlock(int, int); ~SingleBlock(); int x; int y; SingleBlock *next;};class MultiBlock{ pu

Why does division result in zero instead of a decimal?

Why does division result in zero instead of a decimal?

Teaching myself C and finding that when I do an equation for a temp conversion it won't work unless I change the fraction to a decimal. ie,tempC=(.555*(tempF-32)) will work but tempC=((5/9)*(tempF-32)) won't work. Why?According to C Prime

Strict Standards: Only variables should be passed by reference

Strict Standards: Only variables should be passed by reference

$el = array_shift($instance->find(..))The above code somehow reports the strict standars warning,but this will not:function get_arr(){ return array(1,2);}$el = array_shift(get_arr());So when will it report the warning anyway? 1:Consid

What does the exclamation mark do before the function?

What does the exclamation mark do before the function?

!function () {}(); 1:JavaScript syntax 101. Here is a function declaration:function foo() {}Note that there's no semicolon: this is just a function declaration. You would need an invocation, foo(), to actually run the function.Now, when

In Java, difference between package private, public, protected, and private

In Java, difference between package private, public, protected, and private

In Java, are there clear rules on when to use each of access modifiers, namely the default (package private), public, protected and private, while making class and interface and dealing with inheritance? 1:The official tutorial may be of

What are the rules about using an underscore in a C++ identifier?

What are the rules about using an underscore in a C++ identifier?

It's common in C++ to name member variables with some kind of prefix to denote the fact that they're member variables, rather than local variables or parameters. If you've come from an MFC background, you'll probably use m_foo. I've also se

Is it considered good style to dereference `new` pointer?

Is it considered good style to dereference `new` pointer?

To avoid keep having to use -> and instead work directly with the object, is it acceptable practice to do:obj x = *(new obj(...));...delete &obj; 1:This is not just poor practice, but:Leaking memory (most likely, unless you are using so

How to convert UTF8 combined Characters into single UTF8 characters in ruby?

How to convert UTF8 combined Characters into single UTF8 characters in ruby?

Some characters such as the Unicode Character 'LATIN SMALL LETTER C WITH CARON' can be encoded as 0xC4 0x8D, but can also be represented with the two code points for 'LATIN SMALL LETTER C' and 'COMBINING CARON', which is 0x63 0xcc 0x8c.More

Is it a good idea to call finish() after starting a new Activity in Android?

Is it a good idea to call finish() after starting a new Activity in Android?

Like:startActivity(intent);finish();Without calling finish() explicitly, onDestroy() is not called for the former Activity, and I run out of memory (OutOfMemory Exception).So, is it a good idea to call finish() explicitly to prevent OutOfMe

Why does Debug.WriteLine incorrectly format strings?

Why does Debug.WriteLine incorrectly format strings?

I have the following Debug.WriteLine:Debug.WriteLine("Metadata Version: {0}", version); // update: version is a stringThe output is: 2.0: Metadata Version: {0}Why is the string formatted this way?I didn't see anything in MSDN documentation

In google analytics property settings, what difference does the Default URL makes

In google analytics property settings, what difference does the Default URL makes

I'm setting a new property on my google analytics account, and one of the fields I have to fill out is Default URL:My question is what does it matter? What does it affect?I see that GA collects data I send no matter what URL I've defined th

Body set to overflow-y:hidden but page is still scrollable in Chrome

Body set to overflow-y:hidden but page is still scrollable in Chrome

I'm having an issue with the overflow-y property in Chrome. Even though I've set it to hidden, I can still scroll the page with the mouse wheel.Here is my code:html,body { overflow-y: hidden;}#content { position: absolute; width: 100%;}.

junit: impact of forkMode=“once” on test correctness

junit: impact of forkMode=“once” on test correctness

I'd like to reduce the time which our build (using ant) takes for running the tests.Currently I am using the default forkMode, which forks a new vm on each test class (perTest).I am thinking about to switch to forkMode="once" but I am unsur

Stacked ActionBar tab bar not filling parent

Stacked ActionBar tab bar not filling parent

I'm creating Action Bar navigation tabs, but when the Action Bar is stacked the tabs are not getting the whole width space. I have a foto to illustrate it.Is possible, in this case, giving to each tab 50% of the screen width?Thank youI'm ed

Get first element from a dictionary

Get first element from a dictionary

I have the following declaration:Dictionary> like = new Dictionary>();I need to get the first element out, but do not know the key or value. What's the best way to do this? 1:Edit To satisfy the commenters.Note that to call First here is

How do you set a focus on Textfield in Swing?

How do you set a focus on Textfield in Swing?

I have created one form using Swing in Java.In the form I have used one textfield on which I have to set the focus whenever I press the key.How to set focus on a particular component in Java ? 1:Would Component.requestFocus() give you wh

c: catch a segfault in exec() which was run in a child process

c: catch a segfault in exec() which was run in a child process

EDIT:I am trying to write a simple smoketest, where all options and reasonable parameters are tested.I used popen() to execute the program that should be tested.Using this approach does not work, because if the process dies with a signal (S

Add dynamic controls in ASP.NET, is there a difference between 1.1 and 2.0?

Add dynamic controls in ASP.NET, is there a difference between 1.1 and 2.0?

I am pretty sure back in the days of ASP.NET 1.0/1.1, controls created during runtime needs to be added before Page_Load event of the Page Lifecycle (i.e. inside Page_Init).Here's one article by Microsoft on it (for .NET 1.0/1.1):HOW TO: Dy

Replace string in a specific line using python

Replace string in a specific line using python

I'm writing a python script to replace strings from a each text file in a directory with a specific extension (.seq). The strings replaced should only be from the second line of each file, and the output is a new subdirectory (call it clean

using AutoCompleteTextField in wicket without String as the generic type

using AutoCompleteTextField in wicket without String as the generic type

This question follows this: handling to onchange event of AutoCompleteTextField in wicketI'm trying to use the AutoCompleteTextField with a custom class as the generic type, and to add an AjaxFormComponentUpdatingBehavior. What I mean is I

Pausing readline in Node.js

Pausing readline in Node.js

Consider the code below ... I am trying to pause the stream after reading the first 5 lines:var fs = require('fs');var readline = require('readline');var stream = require('stream');var numlines = 0;var instream = fs.c

iOS7 UIPickerView doesn't properly display custom views with images

iOS7 UIPickerView doesn't properly display custom views with images

This issue started happening in iOS7 with the new UIPickerView controller. To use images in your UIPickerView controller you must use the delegate method to return an image:pickerView:viewForRow:forComponent:reusingView: The problem is th

Lvalues which do not designate objects in C++14

Lvalues which do not designate objects in C++14

I'm using N3936 as a reference here (please correct this question if any of the C++14 text differs).Under 3.10 Lvalues and rvalues we have: Every expression belongs to exactly one of the fundamental classifications in this taxonomy: lvalue

Oracle Sequence nextval is jumping number back and forth

Oracle Sequence nextval is jumping number back and forth

I created a new table and a new sequence, I have two C# web services trying to insert records into this table using same query utilizing mySequence.nextval (and yes I checked it many times, they both use mySequence.nextval). The two web ser