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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...
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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...
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What are the differences between .so and .dylib on osx?

.dylib is the dynamic library extension on OSX, but it's never been clear to me when I can't / shouldn't use a traditional unix .so shared object. ...
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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...
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Django 1.7 throws django.core.exceptions.AppRegistryNotReady: Models aren't loaded yet

...1.4, we went to 1.5 and then to 1.7. Our wsgi.py looked like this: import os from django.core.handlers.wsgi import WSGIHandler os.environ['DJANGO_SETTINGS_MODULE'] = 'myapp.settings' application = WSGIHandler() When I updated to the 1.7 style WSGI handler: import os from django.core.wsgi impo...
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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...
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What are these ^M's that keep showing up in my files in emacs?

... answered Nov 30 '09 at 22:32 Josh LeeJosh Lee 141k3030 gold badges245245 silver badges258258 bronze badges ...
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sed command with -i option failing on Mac, but works on Linux

...l There is no portable way to avoid making backup files because it is impossible to find a mix of sed commands that works on all cases: sed -i -e ... - does not work on OS X as it creates -e backups sed -i'' -e ... - does not work on OS X 10.6 but works on 10.9+ sed -i '' -e ... - not working on...
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What's the best way to check if a String represents an integer in Java?

...they aren't bad performers. public void RunTests() { String str = "1234567890"; long startTime = System.currentTimeMillis(); for(int i = 0; i < 100000; i++) IsInt_ByException(str); long endTime = System.currentTimeMillis(); System.out.print("ByException: "); ...
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How to get evaluated attributes inside a custom directive

...32; }​ . <div ng-controller="MyCtrl"> <input my-directive="123"> <input my-directive="1+1"> <input my-directive="'1+1'"> <input my-directive="aaa"> </div>​​​​​​​​ One thing you should notice here is that, if you want set the val...