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Differences between hard real-time, soft real-time, and firm real-time?
...tamps for when frames must appear on the screen. Since the frames are time order sensitive a missed deadline causes jitter, diminishing quality of service. If the missed frame later becomes available it will only cause more jitter to display it, so it's useless. The viewer can still enjoy the progra...
Change text color of one word in a TextView
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USE:
makeTextBold("Your order is accepted","accepted", textView);
makeTextBold("Your order is canceled","canceled", textView);
Function:
public static void makeTextBold(String sentence, String word, AppCompatTextView textView) {
SpannableStri...
Cross cutting concern example
...e some clever tricks in IntelliJ IDEA (structural search & replace) in order to speed up the whole action, but boy don't you think it was trivial! Sure, strongly context-dependent debug logging will always occur within a method body, but many important types of logging such as tracing method cal...
What is duck typing?
...that do not have strong typing.
The idea is that you don't need a type in order to invoke an existing method on an object - if a method is defined on it, you can invoke it.
The name comes from the phrase "If it looks like a duck and quacks like a duck, it's a duck".
Wikipedia has much more inform...
JavaScript: How do I print a message to the error console?
...me in milliseconds since the start time because the timeout could skew the order in which you might expect to see the messages.
The second argument to the Error method is for the filename, which is an empty string here to prevent output of the useless filename and line number. It is possible to ...
Long list of if statements in Java
... NullCommand, but you need a CommandMap that handles these corner cases in order to minimize client's checks.
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How to reset postgres' primary key sequence when it falls out of sync?
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@Valery: But in order to avoid gaps mentioned by @mikl two comments above, you need SELECT setval('your_table_id_seq', coalesce((select max(id)+1 from your_table), 1), false);
– Antony Hatchkins
Nov 9 '...
What is your naming convention for stored procedures? [closed]
...mple, what if the sproc queries information from both the Customer and the Orders table?
– DOK
Oct 26 '08 at 18:27
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Difference between encoding and encryption
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Encryption:
Purpose: The purpose of encryption is to transform data in order to keep it secret from others.
Used for: Maintaining data confidentiality i.e., to ensure the data cannot be consumed by anyone other than the intended recipient(s).
Data Retrieval Mechanism: Original data can be obtain...
ActiveRecord: size vs count
...m?
That you might be hitting the DB twice if you don't do it in the right order (e.g. if you render the number of elements in a table on top of the rendered table, there will be effectively 2 calls sent to the DB).
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