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Repeat String - Javascript
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I try not to em>x m>tend native objects, but otherwise this is a beautiful solution. Thanks!
– brad
Oct 14 '08 at 20:22
34
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ConcurrentHashMap vs Synchronized HashMap
...re scalability.
ConcurrentHashMap does not throw a ConcurrentModificationEm>x m>ception if one thread tries to modify it while another is iterating over it.
This article Java 7: HashMap vs ConcurrentHashMap is a very good read. Highly recommended.
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Remove non-utf8 characters from string
... from string, which are not displaying properly. Characters are like this 0m>x m>97 0m>x m>61 0m>x m>6C 0m>x m>6F (hem>x m> representation)
18 Answe...
Why does the order of the loops affect performance when iterating over a 2D array?
Below are two programs that are almost identical em>x m>cept that I switched the i and j variables around. They both run in different amounts of time. Could someone em>x m>plain why this happens?
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What does the unary plus operator do?
... and tend to relate to the consequences of using a value in an arithmetic em>x m>pression, rather than the operator itself. For em>x m>ample, it can be used to force widening from smaller integral types to int, or ensure that an em>x m>pression's result is treated as an rvalue and therefore not compatible with a ...
Choosing between qplot() and ggplot() in ggplot2 [closed]
...on depends on whether data is stored in data.frame or separate variables.
m>x m><-1:10
y<-rnorm(10)
qplot(m>x m>,y, geom="line") # I will use this
ggplot(data.frame(m>x m>,y), aes(m>x m>,y)) + geom_line() # verbose
d <- data.frame(m>x m>, y)
qplot(m>x m>, y, data=d, geom="line")
ggplot(d, aes(m>x m>,y)) + geom_line() # ...
Usage of protocols as array types and function parameters in swift
...a variant of a problem with protocols in Swift for which no good solution em>x m>ists yet.
See also Em>x m>tending Array to check if it is sorted in Swift?, it contains suggestions on how to work around it that may be suitable for your specific problem (your question is very generic, maybe you can find a wor...
'Missing recommended icon file - The bundle does not contain an app icon for iPhone / iPod Touch of
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If you get an icon error when submitting an application from m>X m>code9, or if you cannot see app icon on your simulator as well as a device, just update your cocoapods to the latest version in your project. That issue is a bug in m>X m>code9 with cocoapods.
There's a new guideline for iPhon...
Detect if Visual C++ Redistributable for Visual Studio 2012 is installed
...reg locations may be OS-dependent. I collected this info from a Windows 10 m>x m>64 bom>x m>. I'm just going to go ahead and dump all of these redist versions and the reg keys I search for to detect installation.:
Visual C++ 2005
Microsoft Visual C++ 2005 Redistributable (m>x m>64)
Registry Key: HKLM\SOFTWARE\...
The difference between bracket [ ] and double bracket [[ ]] for accessing the elements of a list or
...ypes of questions:
http://cran.r-project.org/doc/manuals/R-lang.html#Indem>x m>ing
R has three basic indem>x m>ing operators, with syntam>x m> displayed by the following em>x m>amples
m>x m>[i]
m>x m>[i, j]
m>x m>[[i]]
m>x m>[[i, j]]
m>x m>$a
m>x m>$"a"
For vectors and matrices the [[ forms are rarely used, althoug...