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Method call if not null in C#

...void SafeInvoke(this Action action) { if(action != null) action(); } now this is valid: Action act = null; act.SafeInvoke(); // does nothing act = delegate {Console.WriteLine("hi");} act.SafeInvoke(); // writes "hi" In the case of events, this has the advantage of also removing the race-con...
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Converting an integer to a string in PHP

... @SimonForsberg I tested this with php 7.4.8 and it converts 0 to "0" now – MADforFUNandHappy Jul 15 at 15:31 @MA...
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Add new methods to a resource controller in Laravel

I want to know if it is possible to add new methods to a resource controller in Laravel and how you do it. 9 Answers ...
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Several ports (8005, 8080, 8009) required by Tomcat Server at localhost are already in use

...ch is using about 400 MB or more RAM will also solve the problem. It is unknowingly reserving the process. – viper Jun 10 '16 at 7:00  |  show...
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Send a file via HTTP POST with C#

... Thanks, I've used it with something simple and I't worked. Now, as you say, I do need to emulate a browser input file, somethig like this <intput type="file" name"userFile"/>. – gabitoju Jul 15 '09 at 13:51 ...
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When should one use final for method parameters and local variables?

...that affects the immutability.) Final static fields - Although I use enums now for many of the cases where I used to use static final fields. Consider but use judiciously: Final classes - Framework/API design is the only case where I consider it. Final methods - Basically same as final classes. ...
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Android java.lang.VerifyError?

...atype/DatatypeFactory;.newInstance ()Ljavax/xml/datatype/DatatypeFactory; (now to figure out how to do without DatatypeFactory) – pyko Apr 24 '11 at 13:18 ...
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Launch an app from within another (iPhone)

...ens if 2 apps register the same url handler and then the url is called? I know in Android you will be presented w/ a list so you can choose which of the two you want to run. How does ios handle this? – eggie5 Jul 26 '11 at 4:13 ...
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Why are joins bad when considering scalability?

Why are joins bad or 'slow'. I know i heard this more then once. I found this quote 16 Answers ...
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Favorite Django Tips & Features?

...s of ...', I am curious to hear about your favorite Django tips or lesser known but useful features you know of. 55 Answers...