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Is char signed or unsigned by default?
...d.
Do note that char is special in this way. If you declare a variable as int it is 100% equivalent to declaring it as signed int. This is always true for all compilers and architectures.
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fatal error LNK1112: module machine type 'x64' conflicts with target machine type 'X86'
...ed the same problem in VS2008 when I tried to add a X64 build to a project converted from VS2003.
I looked at everything found when searching for this error on Google (Target machine, VC++Directories, DUMPBIN....) and everything looked OK.
Finally I created a new test project and did the same chan...
n-grams in python, four, five, six grams?
...o use the nltk.word_tokenize() function. Also to print the results had to convert the generator object like bigrams, trigrams and fourgrams to list using list(<genrator_object>).
– bhatman
Dec 18 '18 at 5:00
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How do I handle ImeOptions' done button click?
...onListener() {
@Override
public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
// Identifier of the action. This will be either the identifier you supplied,
// or EditorInfo.IME_NULL if being called due to the enter key being pressed.
if (actionId ...
Infinite Recursion with Jackson JSON and Hibernate JPA issue
When trying to convert a JPA object that has a bi-directional association into JSON, I keep getting
25 Answers
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Should I use #define, enum or const?
...rk in embedded systems so the following solution is based on the fact that integer and bitwise operators are fast, low memory & low in flash usage.
Place the enum in a namespace to prevent the constants from polluting the global namespace.
namespace RecordType {
An enum declares and defines ...
In STL maps, is it better to use map::insert than []?
...) will only create:
using std::cout; using std::endl;
typedef std::map<int, std::string> MyMap;
MyMap map;
// ...
std::pair<MyMap::iterator, bool> res = map.insert(MyMap::value_type(key,value));
if ( ! res.second ) {
cout << "key " << key << " already exists "
...
Insert auto increment primary key to existing table
... an primary key column but I was wondering if it's possible to insert data into the primary key column automatically (I already have 500 rows in DB and want to give them id but I don't want to do it manually). Any thoughts? Thanks a lot.
...
return statement vs exit() in main()
...h the standard
library. To illustrate (in C++),
this is a valid program:
int main() { return 0; }
but to use exit you'll need an include:
#include <stdlib.h>
int main() { exit(EXIT_SUCCESS); }
Plus this adds an additional assumption: that calling exit from main has the same side effects...
How do I get the current line number?
...oo");
}
...
static void ShowMessage(string message,
[CallerLineNumber] int lineNumber = 0,
[CallerMemberName] string caller = null)
{
MessageBox.Show(message + " at line " + lineNumber + " (" + caller + ")");
}
This will display, for example:
Boo at line 39 (SomeMethodSomewhere)
Ther...