大约有 30,000 项符合查询结果（耗时：0.0443秒） [XML]
How to declare constant map
...nstant expression, while math.Sin(math.Pi/4) is not because the
function call to math.Sin needs to happen at run time.
share
|
improve this answer
|
follow
...
How do you plot bar charts in gnuplot?
...luge of syntax.
We begin by writing a text file of GNUplot commands. Lets call it commands.txt:
set term png
set output "graph.png"
set boxwidth 0.5
set style fill solid
plot "data.dat" using 1:3:xtic(2) with boxes
set term png will set GNUplot to output a .png file and set output "graph.png" is...
JRuby on Rails vs. Ruby on Rails, what's difference?
...them from within Ruby code with JRuby. In the other direction you can also call JRuby code from within Java. JRuby can also use the JVM and application server capabilities.
JRuby is usually hosted within Java application servers such as Sun's GlassFish or even the Tomcat web server.
Although you can...
How to sort an ArrayList?
...Collections.sort(list, Collections.reverseOrder());. Apart from being more idiomatic (and possibly more efficient), using the reverse order comparator makes sure that the sort is stable (meaning that the order of elements will not be changed when they are equal according to the comparator, whereas r...
Vim - how to run a command immediately when starting vim?
...
tried using this approach for calling :AnsiEsc however it did not really have the desired effect - any chance you know how to detect if a command such as :AnsiEsc has been run before?
– serup
Oct 24 '16 at 7:40
...
How to send commands when opening a tmux session inside another tmux session?
...dditionally I had to comment out my existing last-window binding as it was called when doing C-a C-a, as such: #bind-key C-a last-window. Note my prefix is a, not the default b.
– Kris
Dec 16 '11 at 15:59
...
What are all the possible values for HTTP “Content-Type” header?
...
If you are using jaxrs or any other, then there will be a class called mediatype.User interceptor before sending the request and compare it against this.
share
|
improve this answer
...
What's the difference between getPath(), getAbsolutePath(), and getCanonicalPath() in Java?
...
Basically, I can't see a reason why one should use getAbsolutePath() instead of getCanonicalPath(). It even looks better because the canonical one automatically resolves those ../ parts.
– Scadge
...
Git status - is there a way to show changes only in a specific directory?
...diff --stat
### give exec perm
sudo chmod +x /usr/local/bin/gitstat
And calling that simple script: gitstat /path/to/foo-project. You can also use it while in foo-project just doing gitstat . and so suppose shorter than git status -s, git diff --stat or git diff --stat HEAD if your are always usi...
This Row already belongs to another table error when trying to add rows?
...ill be added or exception thrown.
var drFail = dt.NewRow()
drFail["CustomerID"] = "[Your data here]";
// dt.Rows.Add(row); // Uncomment for import to succeed.
myTable.ImportRow(drFail);
share
|
imp...