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General suggestions for debugging in R
...the debug() function and step through the script line by line.
The best new trick in R 2.10 (when working with script files) is to use the findLineNum() and setBreakpoint() functions.
As a final comment: depending upon the error, it is also very helpful to set try() or tryCatch() statements ar...
Subtract days from a date in JavaScript
...
Try something like this:
var d = new Date();
d.setDate(d.getDate()-5);
Note that this modifies the date object and returns the time value of the updated date.
var d = new Date();
document.write('Today is: ' + d.toLocaleString());
d.setDate(d.ge...
How to deep copy a list?
..., then python will create another object of the same type (in this case, a new list) but for everything inside old list, only their reference is copied
# think of it like
newList = [elem for elem in oldlist]
Intuitively, we could assume that deepcopy() would follow the same paradigm, and the only...
Why does @foo.setter in Python not work for me?
...ses in python 2. In order for properties to work correctly you need to use new-style classes instead (in python 2 you must inherit from object). Just declare your class as MyClass(object):
class testDec(object):
@property
def x(self):
print 'called getter'
return self._x
...
How to create directory automatically on SD card
...trying to save my file to the following location
FileOutputStream fos = new FileOutputStream("/sdcard/Wallpaper/"+fileName);
but I'm getting the exception java.io.FileNotFoundException
However, when I put the path as "/sdcard/" it works.
...
Hudson vs Jenkins in 2012 [closed]
...rious people and companies. Once it's ready for release, this becomes the new LTS version.
As new high-priority fixes come along, these are backported to the LTS version.
Numerous large users of Jenkins stick to the LTS line of releases, and according to the public Jenkins usage statistics, sever...
Strip all non-numeric characters from string in JavaScript
...example
– max4ever
Oct 23 '14 at 12:51
2
Not good: "aaa 2.9px of bbb.".replace(/[^\d.-]/g, '') ...
“Unable to find manifest signing certificate in the certificate store” - even when add new key
I cannot build projects with a strong name key signing - the message in the title always comes up.
11 Answers
...
How to add parameters to HttpURLConnection using POST using NameValuePair
... for the connection and write the parameter query string to it.
URL url = new URL("http://yoururl.com");
HttpsURLConnection conn = (HttpsURLConnection) url.openConnection();
conn.setReadTimeout(10000);
conn.setConnectTimeout(15000);
conn.setRequestMethod("POST");
conn.setDoInput(true);
conn.setDoOu...
How to get access to HTTP header information in Spring MVC REST controller?
I am new to web programming in general, especially in Java, so I just learned what a header and body is.
3 Answers
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