大约有 45,000 项符合查询结果（耗时：0.0727秒） [XML]
How to increase font size in a plot in R?
.... What is the right way to increase font size of text in the title, labels and other places of a plot?
7 Answers
...
How can I get the list of a columns in a table for a SQLite database?
...
Great! Now how is this done from outside the command line? How is this done from within my own C program?
– Aaron Bratcher
Sep 27 '13 at 13:56
...
Python call function within class
...
What happens if we dont use self? and directly call distToPoint(p)?
– Marlon Abeykoon
Aug 16 '16 at 4:30
4
...
Hibernate throws MultipleBagFetchException - cannot simultaneously fetch multiple bags
...
I think a newer version of hibernate (supporting JPA 2.0) should handle this. But otherwise you can work it around by annotating the collection fields with:
@LazyCollection(LazyCollectionOption.FALSE)
Remember to remove the fetchType attribute from the @*ToMany annotation.
But note that...
Retrieve list of tasks in a queue in Celery
...ure is that you need to query redis for every priority of task. In python (and from the Flower project), this looks like:
PRIORITY_SEP = '\x06\x16'
DEFAULT_PRIORITY_STEPS = [0, 3, 6, 9]
def make_queue_name_for_pri(queue, pri):
"""Make a queue name for redis
Celery uses PRIORITY_SEP to se...
How to remove space between axis & area-plot in ggplot2?
...n the latest versions of ggplot2.
From ?scale_x_continuous about the expand-argument:
Vector of range expansion constants used to add some padding around
the data, to ensure that they are placed some distance away from the
axes. The defaults are to expand the scale by 5% on each side for
...
Amazon EC2, mysql aborting start because InnoDB: mmap (x bytes) failed; errno 12
.... Since Micro instances have only 613MB of memory, MySQL crashed every now and then. After a long search about MySQL, Micro Instance and Memory Managment I found out there is no default SWAP space for Micro instance. So if you want to avoid the crash you may need to setup a swap space for your micro...
How to mkdir only if a directory does not already exist?
... run under the KornShell (ksh) on AIX. I would like to use the mkdir command to create a directory. But the directory may already exist, in which case I do not want to do anything. So I want to either test to see that the directory does not exist, or suppress the "File exists" error that mkdir t...
List comprehension rebinds names even after scope of comprehension. Is this right?
...change in Python
3, to improve equivalence between list
comprehensions and generator
expressions. In Python 2, the list
comprehension "leaks" the loop control
variable into the surrounding scope:
x = 'before'
a = [x for x in 1, 2, 3]
print x # this prints '3', not 'before'
This was ...
Convert Pixels to Points
...out the topic, but can't seem to locate a simple formula. Let's assume a standard 96dpi, how do I calulate this conversion?
...