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An example of how to use getopts in bash

...t;0 (for the sake of simplicity I didn't differentiate between those cases and nobody forces you to print the usage text in the latter case). I have seen programs which always return != 0, though, even on -h/--help. Maybe I should update the snippet in case people use this as boilerplate (I hope not...
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@class vs. #import

It is to my understanding that one should use a forward-class declaration in the event ClassA needs to include a ClassB header, and ClassB needs to include a ClassA header to avoid any circular inclusions. I also understand that an #import is a simple ifndef so that an include only happens once....
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Converting a string to a date in JavaScript

...ormat" doesn't work reliably by itself. String are sometimes parsed as UTC and sometimes as localtime (based on browser vendor and version). The best practice should always be to store dates as UTC and make computations as UTC. To parse a date as UTC, append a Z - e.g.: new Date('2011-04-11T10:20:3...
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How to Configure SSL for Amazon S3 bucket

I am using an Amazon S3 bucket for uploading and downloading of data using my .NET application. Now my question is: I want to access my S3 bucket using SSL. Is it possible to implement SSL for an Amazon s3 bucket? ...
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Why can't I use the 'await' operator within the body of a lock statement?

...yourself is a testament to that fact. Rather, it is an incredibly bad idea and so we don't allow it, so as to protect you from making this mistake. call to Monitor.Exit within ExitDisposable.Dispose seems to block indefinitely (most of the time) causing deadlocks as other threads attempt to acqu...
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In which language are the Java compiler and JVM written?

...ich languages are the Java compiler ( javac ), the virtual machine (JVM) and the java starter written? 9 Answers ...
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How to get first and last day of the week in JavaScript

I have today = new Date(); object. I need to get first and last day of the current week. I need both variants for Sunday and Monday as a start and end day of the week. I am little bit confuse now with a code. Can your help me? ...
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is_null($x) vs $x === null in PHP [duplicate]

PHP has two (that I know of, and three if you count isset() ) methods to determine if a value is null: is_null() and === null . I have heard, but not confirmed, that === null is faster, but in a code review someone strongly suggested that I use is_null() instead as it is specifically design...
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SET NOCOUNT ON usage

.... There are some cases though, where calculating the number of rows beforehand would impact the performance, such as a forward-only cursor. In that case NOCOUNT might be a necessity. Other than that, there is absolutely no need to follow "use NOCOUNT wherever possible" motto. Here is a very detaile...
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Having both a Created and Last Updated timestamp columns in MySQL 4.0

...possible to have the current timestamp be the default value for one column and the auto-update value for another column. Changes in MySQL 5.6.5: Previously, at most one TIMESTAMP column per table could be automatically initialized or updated to the current date and time. This restriction has b...