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How do I best silence a warning about unused variables?
I have a cross platform application and in a few of my functions not all the values passed to functions are utilised. Hence I get a warning from GCC telling me that there are unused variables.
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print call stack in C or C++
... option. Note that names of "static" functions are not exposed,
and won't be
available in the backtrace.
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How to display long messages in logcat
...1000 then you can split the string you want to log with String.subString() and log it in pieces. For example:
int maxLogSize = 1000;
for(int i = 0; i <= veryLongString.length() / maxLogSize; i++) {
int start = i * maxLogSize;
int end = (i+1) * maxLogSize;
end = end > veryLongStri...
Private and Protected Members : C++
Can someone enlighten me as to the difference between private and protected members in classes?
17 Answers
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Android: Want to set custom fonts for whole application not runtime
Is it possible to set any custom font in every control of the application? And not necessarily runtime ? (i.e. from xml if possible or only once for whole application in JAVA file)
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Ternary operator is twice as slow as an if-else block?
... answer this question, we'll examine the assembly code produced by the X86 and X64 JITs for each of these cases.
X86, if/then
32: foreach (int i in array)
0000007c 33 D2 xor edx,edx
0000007e 83 7E 04 00 cmp dword ptr [esi+4],0
00000082 ...
How do you round a number to two decimal places in C#?
...per to specify the type of rounding (Round-to-even or Away-from-zero). The Convert.ToInt32() method and its variations use round-to-even. The Ceiling() and Floor() methods are related.
You can round with custom numeric formatting as well.
Note that Decimal.Round() uses a different method than Mat...
How do DATETIME values work in SQLite?
...ions can chose to store dates and times in any of these formats and freely convert between formats using the built-in date and time functions.
SQLite built-in Date and Time functions can be found here.
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Intelligent way of removing items from a List while enumerating in C#
...est method might be to just keep track of the elements you want to remove, and then remove them all at once after. Something like this:
List<int> toRemove = new List<int>();
foreach (var elem in myList)
{
// Do some stuff
// Check for removal
if (needToRemoveAnElement)
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Is it possible to force Excel recognize UTF-8 CSV files automatically?
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I use Notepad++ to easily convert the .csv from UTF-8 to UTF-8 with BOM
– Sébastien
Jun 6 '16 at 8:02
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