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How to automatically generate a stacktrace when my program crashes
...used ones, to the dynamic symbol table. This allows backtrace_symbols() to convert addresses to function names
– jschmier
Mar 26 '10 at 20:00
2
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Flags to enable thorough and verbose g++ warnings
... 0; n += 2; The
implicit conversion to int causes a warning when it's then converted
back to its target type.
-Weffc++ includes a warning if all data members are not initialized
in the initializer list. I intentionally do not do this in many
cases, so the set of warnings is too cluttered to be usefu...
What does the Java assert keyword do, and when should it be used?
...slow, so there is no reason to turn them off in production. They should be converted into logging statements, so that you could detect problems that don't show up in your "development phase." (Really, there is no such thing as a development phase, anyway. Development ends when you decide to stop mai...
How do I base64 encode (decode) in C?
I have binary data in an unsigned char variable.
I need to convert them to PEM base64 in c.
I looked in openssl library but i could not find any function.
Does any body have any idea?
...
Algorithm to compare two images
...eep in mind that any worthwhile comparison method will essentially work by converting the images into a different form -- a form which makes it easier to pick similar features out. Usually, this stuff doesn't make for very light reading ...
One of the simplest examples I can think of is simply u...
Why do we use __init__ in Python classes?
...s-bound function, just like add or __init__) purpose is to describe how to convert the object to a string, like when you print it out.
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How to detect if multiple keys are pressed at once using JavaScript?
...= true;
}
if (keys["shift"] && keys["ctrl"]) {
$("#convert").trigger("click"); // or do anything else
}
});
$(document.body).keyup(function(event) {
// reset status of the button 'released' == 'false'
if (event.keyCode == 16) {
keys["shift"] = false;
...
How can I reliably determine the type of a variable that is declared using var at design time?
...eter whose type is compatible with System.Char[]?" So we start a round of convertibility testing. However, the Where extension methods are generic, which means we have to do type inference.
I've written a special type infererencing engine that can handle making incomplete inferences from the first...
C dynamically growing array
...d to initialize an array, an expression that has type ''array of type'' is converted to an expression with type ''pointer to type'' that points to the initial element of the array object and is not an lvalue. If the array object has register storage class, the behavior is undefined." The same is tru...
How to generate random SHA1 hash to use as ID in node.js?
... in modern browsers, if you'd like
// str byteToHex(uint8 byte)
// converts a single byte to a hex string
function byteToHex(byte) {
return ('0' + byte.toString(16)).slice(-2);
}
// str generateId(int len);
// len - must be an even number (default: 40)
function generateId(len = ...