大约有 6,500 项符合查询结果（耗时：0.0273秒） [XML]
Schrödingers MySQL table: exists, yet it does not
...ion case here, but here is how I solved this exact perceived problem on my OS X Lion system.
I frequently create/drop tables for some analytics jobs I have scheduled. At some point, I started getting table already exists errors half-way through my script. A server restart typically solved the issue...
How can a windows service programmatically restart itself?
...(double click the service in the control panel and have a look around on those tabs - I forget the name of it). Then, anytime you want the service to restart, just call Environment.Exit(1) (or any non-zero return) and the OS will restart it for you.
...
How to save a dictionary to a file?
...of thing.
These functions are all that you need for saving and loading almost any object:
def save_obj(obj, name ):
with open('obj/'+ name + '.pkl', 'wb') as f:
pickle.dump(obj, f, pickle.HIGHEST_PROTOCOL)
def load_obj(name ):
with open('obj/' + name + '.pkl', 'rb') as f:
...
How to remove a package in sublime text 2
...
"The package specified, Sublimerge, is not available"
I would have to close the event window out before being able to do anything in ST2.
But in my case, even after successfully removing the package through package control, I still received a event window popup message telling me "Sublimerge" wa...
Brew update failed: untracked working tree files would be overwritten by merge
...lation prefix and Library/Formula/, so that's where you need to look for those outdated/changed files.
Note, that if you changed those formulae yourself for a particular reason (like pinning a version) this action will revert them back to default ones and may produce unwanted effects.
@TedPennings...
Vagrant's port forwarding not working [closed]
...t the end of the Getting Started guide for vagrant . I'm working on a CentOS basebox that has Apache2 running (provisioning via Puppet). I've set up port forwarding for web requests using the following line in Vagrantfile :
...
How do i find out what all symbols are exported from a shared object?
... Very helpful, good to have such overview. nm also works on MacOSX, except the -D option. Or brew install binutils and use the GNU version via gnm. For GNU nm, --demangle is also useful. Also gobjdump.
– Albert
Dec 24 '14 at 12:43
...
How can I force browsers to print background images in CSS?
...
You have very little control over a browser's printing methods. At most you can SUGGEST, but if the browser's print settings have "don't print background images", there's nothing you can do without rewriting your page to turn the background images into floating "foreground" images that happen...
How to turn off INFO logging in Spark?
...:ss} %p %c{1}: %m%n
# Settings to quiet third party logs that are too verbose
log4j.logger.org.eclipse.jetty=WARN
log4j.logger.org.eclipse.jetty.util.component.AbstractLifeCycle=ERROR
log4j.logger.org.apache.spark.repl.SparkIMain$exprTyper=INFO
log4j.logger.org.apache.spark.repl.SparkILoop$SparkILo...
“NODE_ENV” is not recognized as an internal or external command, operable command or batch file
... but does require openSSL, not sure if that helps. If not, might want to post a new question since the scenario has changed a bit.
– Jim O'Neil
Aug 14 '12 at 3:41
5
...