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Determine the line of code that causes a segmentation fault?
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Use bt as a shorthand for backtrace.
– rustyx
May 27 '19 at 7:53
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Load multiple packages at once
...w can I load a bunch of packages at once with out retyping the require command over and over? I've tried three approaches all of which crash and burn.
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How to convert a Hibernate proxy to a real entity object
During a Hibernate Session , I am loading some objects and some of them are loaded as proxies due to lazy loading. It's all OK and I don't want to turn lazy loading off.
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pythonw.exe or python.exe?
...ouble-click the file name to open the app. Only then do I see just the GUI and no console.
– Luther
Jul 28 at 6:54
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How to determine if a list of polygon points are in clockwise order?
...gth (x2-x1). Notice the sign convention in x. Try this with some triangles and you'll soon see how it works.
– Beta
Jul 27 '09 at 14:20
75
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Named regular expression group “(?Pregexp)”: what does “P” stand for?
...major" version, Python 1.5, by the end of
this year. I hope that Python and Perl can co-exist in years to come;
cross-pollination can be good for both languages. (I believe Larry
had a good look at Python when he added objects to Perl 5; O'Reilly
publishes books about both languages.)
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C# - how to determine whether a Type is a number
...Byte,
SByte, Int16, UInt16, Int32, UInt32,
Int64, UInt64, Char, Double,and
Single.
Taking Guillaume's solution a little further:
public static bool IsNumericType(this object o)
{
switch (Type.GetTypeCode(o.GetType()))
{
case TypeCode.Byte:
case TypeCode.SByte:
case Typ...
AsyncTask Android example
I was reading about AsyncTask , and I tried the simple program below. But it does not seem to work. How can I make it work?
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Check if directory mounted with bash
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Running the mount command without arguments will tell you the current mounts. From a shell script, you can check for the mount point with grep and an if-statement:
if mount | grep /mnt/md0 > /dev/null; then
echo "yay"
else
echo "nay"
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Understanding promises in Node.js
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Promises in node.js promised to do some work and then had separate callbacks that would be executed for success and failure as well as handling timeouts. Another way to think of promises in node.js was that they were emitters that could emit only two events: success and...