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Convert decimal to hexadecimal in UNIX shell script

... "Result too large". the BC method works great for things larger than a standard int/long/bigint – Andrew Backer Sep 1 '14 at 6:52 4 ...
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Make body have 100% of the browser height

... As an alternative to setting both the html and body element's heights to 100%, you could also use viewport-percentage lengths. 5.1.2. Viewport-percentage lengths: the ‘vw’, ‘vh’, ‘vmin’, ‘vmax’ units The viewport-percentage lengths are relative to the...
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Why is my Spring @Autowired field null?

...sn't know about the copy of MileageFeeCalculator that you created with new and didn't know to autowire it. The Spring Inversion of Control (IoC) container has three main logical components: a registry (called the ApplicationContext) of components (beans) that are available to be used by the applica...
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What is 'Context' on Android?

In Android programming, what exactly is a Context class and what is it used for? 30 Answers ...
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Run a callback only if an attribute has changed in Rails

...ods/Dirty.html Before Saving (OPTIONAL CHANGE) After modifying an object and before saving to the database, or within the before_save filter: changes should now be changes_to_save changed? should now be has_changes_to_save? changed should now be changed_attribute_names_to_save <attribute>_...
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Is a url query parameter valid if it has no value?

...ikely acceptable to your server-side framework/code The URI RFC doesn't mandate a format for the query string. Although it is recognized that the query string will often carry name-value pairs, it is not required to (e.g. it will often contain another URI). 3.4. Query The query componen...
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Watermark / hint text / placeholder TextBox

... This code was made by Andy L. You can find it on codeproject. – aloisdg moving to codidact.com Jan 14 '15 at 14:18 add a c...
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Is BCrypt a good hashing algorithm to use in C#? Where can I find it? [closed]

...irst, some terms that are important: Hashing - The act of taking a string and producing a sequence of characters that cannot be reverted to the original string. Symmetric Encryption - (Usually just referred to as 'encryption') - The act of taking a string and producing a sequence of characters tha...
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How does “304 Not Modified” work exactly?

...e then does the browser need to make the request? (as it could stub in 304 and not make the request at all)... you want this e.g. with "fingerprinted" assets (they're good forever). Else what's the point of max-age... – Andy Hayden Apr 6 '16 at 7:16 ...
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How do I get my C# program to sleep for 50 msec?

...Combination of previous 2 It usually combines processing efficiency of 1. and preciseness + ability to do something of 2. for 1. - Loose waiting in C#: Thread.Sleep(numberOfMilliseconds); However, windows thread scheduler causes acccuracy of Sleep() to be around 15ms (so Sleep can easily wa...