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Simple basic explanation of a Distributed Hash Table (DHT)
...key is found by hashing that key, so in effect your hash-table buckets are now independent nodes in a network.
This gives a lot of fault-tolerance and reliability, and possibly some performance benefit, but it also throws up a lot of headaches. For example, what happens when a node leaves the netwo...
What's the difference between Cache-Control: max-age=0 and no-cache?
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Old question now, but if anyone else comes across this through a search as I did, it appears that IE9 will be making use of this to configure the behaviour of resources when using the back and forward buttons. When max-age=0 is used, the ...
Exporting data In SQL Server as INSERT INTO
...ced" to get the page with the options. Then, as Ghlouw has mentioned, you now select "Types of data to script" and profit.
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What are the differences between Rust's `String` and `str`?
...of UTF-8 bytes of dynamic length somewhere in memory. Since the size is unknown, one can only handle it behind a pointer. This means that str most commonly2 appears as &str: a reference to some UTF-8 data, normally called a "string slice" or just a "slice". A slice is just a view onto some data,...
How do you create a Swift Date object?
...her date-times, you can use one of the following methods.
Method 1
If you know the number of seconds before or after the 2001 reference date, you can use that.
let someDateTime = Date(timeIntervalSinceReferenceDate: -123456789.0) // Feb 2, 1997, 10:26 AM
Method 2
Of course, it would be easier to us...
Delete directories recursively in Java
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@Steve K, URL is now: svn.apache.org/viewvc/commons/proper/io/trunk/src/main/java/org/…
– Richard EB
Apr 12 '16 at 10:31
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Fastest way to replace NAs in a large data.table
...= function(dt) remove_na(dt)
f_gdata = function(dt, un = 0) gdata::NAToUnknown(dt, un)
f_dowle = function(dt) { # see EDIT later for more elegant solution
na.replace = function(v,value=0) { v[is.na(v)] = value; v }
for (i in names(dt))
eval(parse(text=paste("dt[,",i,":=na.replace(",i,"...
What does 'const static' mean in C and C++?
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The "special section" is known as the data segment, which it shares with all the other global variables, such as explicit "strings" and global arrays. This is opposing to the code segment.
– spoulson
Oct 7 '08 a...
How to integrate CSS pre-processing within Eclipse? [closed]
...OK.
This associated the file type .scss with eclipses native CSS Editor. Now we have to configure the native CSS Editor to support .scss files. To do this, follow this steps:
Part 2 - Add the .scss file type to the native CSS Editor
Go to Window > Preferences
Drill down to General > Cont...
is there a post render callback for Angular JS directive?
...still updating the DOM after they return, Angular couldn't be expected to know about it. Any callback Angular gives might work sometimes, but wouldn't be safe to rely on.
We solved this heuristically with a setTimeout, as you did.
(Please keep in mind that not everyone agrees with me - you should...