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Declare a const array
...ith a constant value. The only working example that comes to mind is const int[] a = null; which is not very useful, but indeed an instance of an array constant.
– waldrumpus
Jul 31 '19 at 7:56
...
TSQL - How to use GO inside of a BEGIN .. END block?
...roduction. Basically, it takes a bunch of change-scripts, and merges them into a single script, wrapping each script in a IF whatever BEGIN ... END statement.
...
Correct approach to global logging in Golang
... can be used concurrently from multiple goroutines.
Pass around a pointer to that log.Logger?
log.New returns a *Logger which is usually an indication that you should pass the object around as a pointer. Passing it as value would create a copy of the struct (i.e. a copy of the Logger) an...
Remove columns from DataTable in C#
...Columns are 0 based), until the Column count is 10 or less.
DataTable dt;
int desiredSize = 10;
while (dt.Columns.Count > desiredSize)
{
dt.Columns.RemoveAt(desiredSize);
}
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When to catch java.lang.Error?
...fFoundError, which are both in most cases runtime problems.
For example:
int length = Integer.parseInt(xyz);
byte[] buffer = new byte[length];
can produce an OutOfMemoryError but it is a runtime problem and no reason to terminate your program.
NoClassDefFoundError occur mostly if a library is n...
Getting parts of a URL (Regex)
...line above are only to assist readability;
they indicate the reference points for each subexpression (i.e., each
paired parenthesis). We refer to the value matched for subexpression
as $. For example, matching the above expression to
http://www.ics.uci.edu/pub/ietf/uri/#Related
re...
A generic error occurred in GDI+, JPEG Image to MemoryStream
...d two calls to the above method and a direct save to a file.
// At this point the new bitmap has no MimeType
// Need to output to memory stream
using (var m = new MemoryStream())
{
dst.Save(m, format);
var img = Image.FromStream(m);
//TEST
img.Save("C:\\test.jpg");
...
ValueError: The truth value of an array with more than one element is ambiguous. Use a.any() or a.al
...ement comparison is done where there is an array and for example a bool or int. See for example:
... code snippet ...
if dataset == bool:
....
... code snippet ...
This clause has dataset as array and bool is euhm the "open door"... True or False.
In case the function is wrapped within a t...
How to close a Java Swing application from the code
...fore the program exits (such as saving working data), then you have to tap into the JVM event handlers instead of just using the normal swing event handlers. Both will "work", but the EXIT_ON_CLOSE will cause problems for more complex apps.
– James Schek
May 11...
M_PI works with math.h but not with cmath in Visual Studio
...
Interestingly I checked this on an app of mine and I got the same error.
I spent a while checking through headers to see if there was anything undef'ing the _USE_MATH_DEFINES and found nothing.
So I moved the
#define _USE...