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What is the significance of 1/1/1753 in SQL Server?
Why 1753? What do they have against 1752? My great great great great great great great grandfather would be very offended.
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Why are joins bad when considering scalability?
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...except in MySQL, which seems to have performance problems with large numbers of joins regardless of how your indexes look. Or at least it has in the past.
– Powerlord
Apr 12 '10 at 17:53
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MongoDB/NoSQL: Keeping Document Change History
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Good question, I was looking into this myself as well.
Create a new version on each change
I came across the Versioning module of the Mongoid driver for Ruby. I haven't used it myself, but from what I could find, it adds a version number to each document. Older ...
Load and execution sequence of a web page?
... portion elaborates more on the parallel or not part:
By default, and from my current understanding, browser usually runs each page on 3 ways: HTML parser, Javascript/DOM, and CSS.
The HTML parser is responsible for parsing and interpreting the markup language and thus must be able to make calls to ...
I want to execute shell commands from Maven's pom.xml
... global configuration is used, the hostname command is executed (laptop is my hostname). In other words, the plugin works as expected.
Now, if you want a plugin to get executed as part of the build, you have to bind a goal on a specific phase. For example, to bind it on compile:
<plugin>
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Differences between hard real-time, soft real-time, and firm real-time?
...stand that missed deadlines may be tolerable for some systems, but that is my understanding of a soft real-time system. I am looking for a practical example of the criteria: The usefulness of a result is zero after its deadline. I guess for your sound example, if the sound is synchronized to a video...
Why use JUnit for testing?
Maybe my question is a newbie one, but I can not really understand the circumstances under which I would use junit ?
11 An...
What's the difference between setWebViewClient vs. setWebChromeClient?
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I feel this question need a bit more details. My answer is inspired from the Android Programming, The Big Nerd Ranch Guide (2nd edition).
By default, JavaScript is off in WebView. You do not always need to have it on, but for some apps, might do require it.
Loading the U...
What is context in _.each(list, iterator, [context])?
...rring to inside your callback function. It may seem like x is redundant in my example, but x.addItem is just a function and could be totally unrelated to x or basket or any other object, for example:
function basket() {
this.items = [];
this.show = function() {
console.log('i...
Using getopts to process long and short command line options
I wish to have long and short forms of command line options invoked using my shell script.
32 Answers
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