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How do you detect/avoid Memory leaks in your (Unmanaged) code? [closed]
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If your C/C++ code is portable to *nix, few things are better than Valgrind.
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How to concatenate two strings to build a complete path
...gs at the end of this string and build a path to some subdirectories.
For example assume user enters an string like this:
7...
With arrays, why is it the case that a[5] == 5[a]?
... I wonder if it isn't more like *((5 * sizeof(a)) + a). Great explaination though.
– John MacIntyre
Dec 19 '08 at 17:06
95
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Choosing a file in Python with simple Dialog
... tkinter?
from Tkinter import Tk # from tkinter import Tk for Python 3.x
from tkinter.filedialog import askopenfilename
Tk().withdraw() # we don't want a full GUI, so keep the root window from appearing
filename = askopenfilename() # show an "Open" dialog box and return the path to the selected...
Programmatically shut down Spring Boot application
...a SpringApplication basically means closing the underlying ApplicationContext. The SpringApplication#run(String...) method gives you that ApplicationContext as a ConfigurableApplicationContext. You can then close() it yourself.
For example,
@SpringBootApplication
public class Example {
public...
Check image width and height before upload with Javascript
...take it you realize this is only supported in a few browsers. Mostly firefox and chrome, could be opera as well by now.
P.S. The URL.createObjectURL() method has been removed from the MediaStream interface. This method has been deprecated in 2013 and superseded by assigning streams to HTMLMediaElem...
Print variables in hexadecimal or decimal format
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Sure it is. Try these:
# Hexadecimal
p/x variable
# Binary
p/t variable
See output formats.
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Most efficient way to prepend a value to an array
... 2]
For completeness, the following function can be used instead of OP's example prependArray(...) to take advantage of the Array unshift(...) method:
function prepend(value, array) {
var newArray = array.slice();
newArray.unshift(value);
return newArray;
}
var x = [1, 2, 3];
var y = prepen...
Installing R on Mac - Warning messages: Setting LC_CTYPE failed, using “C”
I would like install R on my laptop Mac OS X version 10.7.3
6 Answers
6
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How to do ToString for a possibly null object?
... succinct in practice.
As suggested elsewhere, I recommend maybe using an extension method to make this cleaner:
public static string ToStringNullSafe(this object value)
{
return (value ?? string.Empty).ToString();
}
sh...