大约有 40,000 项符合查询结果（耗时：0.0635秒） [XML]
Editing legend (text) labels in ggplot
... resource for learning how to create plots with the ggplot2 package.
An example with your data:
# transforming the data from wide to long
library(reshape2)
dfm <- melt(df, id = "TY")
# creating a scatterplot
ggplot(data = dfm, aes(x = TY, y = value, color = variable)) +
geom_point(size=5) +...
Rails 2.3-style plugins and deprecation warnings running task in Heroku
...
Yep, I realize that all the warnings came from my Heroku scripts and logs. I'll assume that (a) it's the plugin injections and (b) that the Heroku team will fix this before it becomes an actual problem.
– fearless_fool
...
Eclipse reports rendering library more recent than ADT plug-in
...
Am i change API version 17, 19, 21, & 23 in xml layoutside
&&
Updated Android Development Tools 23.0.7 but still can't render layout proper so am i updated Android DDMS 23.0.7 it's works perfect..!!!
...
Save plot to image file instead of displaying it using Matplotlib
...
@STMohammed foo.png is the path. You could, for example, put it in a directory like this savefig("mydir/foo.png").
– Hooked
Aug 3 '18 at 13:56
3
...
Xcode is not currently available from the Software Update server
...mmand line tools come with the Xcode 5.x
So make sure you have installed & updated Xcode to latest
after which make sure Xcode command line tools is pointed correctly using this command
xcode-select -p
Which might show some path like
/Applications/Xcode.app/Contents/Developer
Change...
Constant pointer vs Pointer to constant [duplicate]
...inted to by ptr shall not be modified.
const int a = 10;
const int* ptr = &a;
*ptr = 5; // wrong
ptr++; // right
While
int * const ptr;
declares ptr a const pointer to int type. You are not allowed to modify ptr but the object pointed to by ptr can be modified.
int a = 10;
int *const ...
Check if a value exists in ArrayList
...
Just use ArrayList.contains(desiredElement). For example, if you're looking for the conta1 account from your example, you could use something like:
if (lista.contains(conta1)) {
System.out.println("Account found");
} else {
System.out.println("Account not found");
}
...
How to put a new line into a wpf TextBlock control?
... data file and XAML, the XAML parser ignores whitespace, but if you, for example, deserialize some XML using the XmlSerializer the breaks will be retained. In Xaml you need <LineBreak/>.
– H.B.
Dec 15 '11 at 19:29
...
How to replace strings containing slashes with sed?
...use a different delimiter in your search/replace lines, e.g.:
s:?page=one&:pageone:g
You can use any character as a delimiter that's not part of either string. Or, you could escape it with a backslash:
s/\//foo/
Which would replace / with foo. You'd want to use the escaped backslash in cas...
How to check if a variable exists in a FreeMarker template?
...ty string into it, and it will work the same in either case.
<#if p?? && p?has_content>1</#if>
Let's say you want to make sure that p is more than just whitespace. Then you could trim it before checking to see if it has_content.
<#if p?? && p?trim?has_content>1&...