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How can you encode a string to Base64 in JavaScript?
...ng the string as a byte array, but if you’re trying to do something else then you’ll have to encode it first.
atob() returns a “string” where each character represents an 8-bit byte – that is, its value will be between 0 and 0xff. This does not mean it’s ASCII – presumably if you’re ...
Different types of thread-safe Sets in Java
...ntries mapping to same bucket reaches threshold value (i believe it is 16) then the list gets changed to a binary search tree (red-black tree to be precised) and in that case look up time would be O(lg n) and not O(n).
– akhil_mittal
Dec 28 '17 at 4:58
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Ignoring time zones altogether in Rails and PostgreSQL
...time zone offset is ignored! Only the bare timestamp is used. The value is then automatically coerced to timestamptz in the example to match the column type. For this step, the timezone setting of the current session is assumed, which happens to be the same time zone +1 in my case (Europe/Vienna). B...
How do you change text to bold in Android?
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If you're drawing it then this will do it:
TextPaint.setFlags(Paint.FAKE_BOLD_TEXT_FLAG);
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MySQL date format DD/MM/YYYY select query?
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Guessing you probably just want to format the output date? then this is what you are after
SELECT *, DATE_FORMAT(date,'%d/%m/%Y') AS niceDate
FROM table
ORDER BY date DESC
LIMIT 0,14
Or do you actually want to sort by Day before Month before Year?
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Intellij IDEA. Hide .iml files
...nd Linux
IntelliJ IDEA | Preferences | Editor | File Types for OS X
Then add *.iml;*.idea; in the text box in the bottom:
http://blogs.jetbrains.com/idea/2011/04/intellij-idea-does-not-show-some-files-know-the-hiding-places/
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Remove plot axis values
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Using base graphics, the standard way to do this is to use axes=FALSE, then create your own axes using Axis (or axis). For example,
x <- 1:20
y <- runif(20)
plot(x, y, axes=FALSE, frame.plot=TRUE)
Axis(side=1, labels=FALSE)
Axis(side=2, labels=FALSE)
The lattice equivalent is
library...
Infinity symbol with HTML
...the character maps, but I'm a fast typist and having to toggle to a UI and then back to the editor slows me down. I can still type &infin; faster.
– FrustratedWithFormsDesigner
Feb 12 '10 at 21:14
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how do i remove a comma off the end of a string?
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$string .= $b . ',';
much better is to collect items in an array and then join it with a delimiter you need
foreach($a as $b)
$result[] = $b;
$result = implode(',', $result);
this solves trailing and double delimiter problems that usually occur with concatenation
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How to check if a file exists from inside a batch file [duplicate]
... If you're a n00b like me and forget to replace the squiggly brackets too then this won't work. So be sure to remove {} when you {insert file name here}!! Spent an embarrassing 5 minutes realising this :(
– piratemurray
Jun 6 '14 at 9:10
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