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What is the maximum value for an int32?
...67,996,680 till 1,867,996,689 of the decimal digits of Pi
The numeric string 2147483647 appears at the 1,867,996,680 decimal digit of Pi. 3.14......86181221809936452346214748364710527835665425671614...
source: http://www.subidiom.com/pi/
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How to get a thread and heap dump of a Java process on Windows that's not running in a console
... can use jmap to get a dump of any process running, assuming you know the pid.
Use Task Manager or Resource Monitor to get the pid. Then
jmap -dump:format=b,file=cheap.hprof <pid>
to get the heap for that process.
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Property getters and setters
...s to 'get' the value before it can print it!
struct Person{
var name: String{
get{
print(name) // DON'T do this!!!!
return "as"
}
set{
}
}
}
let p1 = Person()
As that would give the following warning:
Attempting to access 'name...
How to add extension methods to Enums
...ows:
using System.ComponentModel;
using System.Reflection;
public static string GetDescription(this Enum value)
{
FieldInfo fieldInfo = value.GetType().GetField(value.ToString());
if (fieldInfo == null) return null;
var attribute = (DescriptionAttribute)fieldInfo.GetCustomAttribute(typ...
Linux command to list all available commands and aliases
... Instead of compgen | grep, it can be more efficient to pass the string as argument to compgen itself (if it's known to be a prefix, as implied in the question). In this case, that would be compgen -ac searchstr.
– Toby Speight
Jul 20 '17 at 9:01
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How can I get the concatenation of two lists in Python without modifying either one? [duplicate]
...>> sum([True, True, False], False)
2
With the notable exception of strings:
>>> sum(['123', '345', '567'], '')
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: sum() can't sum strings [use ''.join(seq) instead]
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How do I execute a program from Python? os.system fails due to spaces in path
...th quoting conventions of various shells. It accepts a list, rather than a string, so arguments are more easily delimited. i.e.
import subprocess
subprocess.call(['C:\\Temp\\a b c\\Notepad.exe', 'C:\\test.txt'])
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Two color borders
...ers for an embossed look. Can I do this on one element? I was hoping to avoid stacking two DOM elements with individual borders.
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how to POST/Submit an Input Checkbox that is disabled?
... value will not appear into POST values. One of the strategy is to add an hidden field holding checkbox's value within the same form and read value back from that field
Simply change disabled to readonly
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Java equivalent to #region in C#
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With Android Studio, try this:
//region VARIABLES
private String _sMyVar1;
private String _sMyVar2;
//endregion
Careful : no blank line after //region ...
And you will get:
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