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What does Expression.Quote() do that Expression.Constant() can’t already do?
...) ex1.Compile();
var f1b = f1a(100);
Console.WriteLine(f1b(123));
The lambda has a nested lambda; the compiler generates the interior lambda as a delegate to a function closed over the state of the function generated for the outer lambda. We need consider this case no more.
Suppos...
printf with std::string?
...r example:
std::locale loc("");
std::cout.imbue(loc);
std::cout << 123456.78;
The nameless locale (the "") picks a locale based on the user's configuration. Therefore, on my machine (configured for US English) this prints out as 123,456.78. For somebody who has their computer configured fo...
How to detect Safari, Chrome, IE, Firefox and Opera browser?
...specific instructions to install an extension. Use feature detection when possible.
Demo: https://jsfiddle.net/6spj1059/
// Opera 8.0+
var isOpera = (!!window.opr && !!opr.addons) || !!window.opera || navigator.userAgent.indexOf(' OPR/') >= 0;
// Firefox 1.0+
var isFirefox = typeof I...
Listening for variable changes in JavaScript
...c.innerHTML = c.innerHTML + '<br />' + t;
}
// Demo
var myVar = 123;
Object.defineProperty(this, 'varWatch', {
get: function () { return myVar; },
set: function (v) {
myVar = v;
print('Value changed! New value: ' + v);
}
});
print(varWatch);
varWatch = 456;
pri...
Eclipse returns error message “Java was started but returned exit code = 1”
... @KadoLakatt: please provide your own answer next time. Edited my post to address your point, though.
– Calon
Feb 26 '15 at 6:51
1
...
Round to at most 2 decimal places (only if necessary)
...
If the value is a text type:
parseFloat("123.456").toFixed(2);
If the value is a number:
var numb = 123.23454;
numb = numb.toFixed(2);
There is a downside that values like 1.5 will give "1.50" as the output. A fix suggested by @minitech:
var numb = 1.5;
numb = +nu...
Importing from a relative path in Python
...ys.path (the list of paths python looks at to import things):
import sys, os
sys.path.append(os.path.join(os.path.dirname(__file__), '..', 'Common'))
import Common
os.path.dirname(__file__) just gives you the directory that your current python file is in, and then we navigate to 'Common/' the dir...
Jenkins on OS X: xcodebuild gives Code Sign error
...your session won't have unlocked keychain even if it has you as the user (most commonly this affects ssh, but also any other process).
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An error occurred while validating. HRESULT = '8000000A'
...
123
Update for those who got this issue for VS2013 or VS2015 after upgrading a VS200X setup projec...
iPhone OS: How do I create an NSDate for a specific date?
...Minute, setSecond, etc. for finer granularity.
– devios1
Jul 5 '13 at 18:53
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