大约有 40,000 项符合查询结果(耗时:0.0335秒) [XML]
What is the smallest possible valid PDF?
...00010 00000 n
0000000053 00000 n
0000000102 00000 n
trailer<</Size 4/Root 1 0 R>>
startxref
149
%EOF
which is 291 bytes of PDF joy. Acrobat opens it, but it complains somewhat. There is one page in it and it is 3/72" square, the minimum allowed by the spec.
However, Acrobat X doesn'...
What is PostgreSQL explain telling me exactly?
MySQL's explain output is pretty straightforward. PostgreSQL's is a little more complicated. I haven't been able to find a good resource that explains it either.
...
Loop through all nested dictionary values?
...ycle), the stack/recursion will run infinitely.
root<-------back edge
/ \ |
_key1 __key2__ |
/ / \ \ |
|->key1.1 key2.1 key2.2 key2.3
|...
Version vs build in Xcode
...ps if you want to write your version/build numbers to your Settings.bundle/Root*.plist file(s).
This is extended from the how-to article here.
In Xcode 4.2 - 5.0:
Load your Xcode project.
In the left hand pane, click on your project at the very top of the hierarchy. This will load the project se...
Eclipse executable launcher error: Unable to locate companion shared library
...
on XP 32 bit I had to: Move the zip file to the root. Rename it to e.zip. Open in it in 7Zip and rename the "eclipse" folder in there to "e". Unzip it - rename the extracted folder to "eclipse". Bonkers.
– RedYeti
Mar 26 '13 at 18:30
...
What is the use of “assert” in Python?
... errors. The goal of using assertions is to let developers find the likely root cause of a bug more quickly. An assertion error should never be raised unless there’s a bug in your program.
share
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How to check iOS version?
...e if < iOS 4.0, and send it to the Detail View Controller myself in the Root View's -didSelectRowAtIndexPath.
– jww
Jul 17 '11 at 9:36
10
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Why does DEBUG=False setting make my django Static Files Access fail?
...urls in urlpatterns:
url(r'^media/(?P<path>.*)$', serve,{'document_root': settings.MEDIA_ROOT}),
url(r'^static/(?P<path>.*)$', serve,{'document_root': settings.STATIC_ROOT}),
and both static and media files were accesible when DEBUG=FALSE.
Hope it helps :)
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Can I use __init__.py to define global variables?
...e thought that the best place would be in in the __init__.py file of the root package. But I don't know how to do this. Suppose I have a few subpackages and each with several modules. How can I access that variable from these modules?
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How do you create a daemon in Python?
...g a well-behaved daemon process:
prevent core dumps (many daemons run as root, and core dumps can contain sensitive information)
behave correctly inside a chroot gaol
set UID, GID, working directory, umask, and other process parameters appropriately for the use case
relinquish elevated suid, sgid ...