大约有 47,000 项符合查询结果（耗时：0.0397秒） [XML]
Where does Oracle SQL Developer store connections?
...acle SQL Developer, create tables, views etc. However, I'm having a hard time getting connected via my application. Where is the connection information? In what file? I wanted to compare my connection info with what is set up in the SQL Explorer's file. I found all the *.ora files and renamed them t...
Insert string at specified position
...
Yes, the 4th argument being "0" causes the replaecment string to be inserted without overwriting any of the original string.
– Buttle Butkus
Feb 7 '14 at 6:40
...
python generator “send” function purpose?
Can someone give me an example of why the "send" function associated with Python generator function exists? I fully understand the yield function. However, the send function is confusing to me. The documentation on this method is convoluted:
...
Why aren't Java Collections remove methods generic?
... Bill Pugh refer to this issue in Java Puzzlers IV: The
Phantom Reference Menace, Attack of the Clone, and Revenge of The
Shift.
Josh Bloch says (6:41) that they attempted to generify the get method
of Map, remove method and some other, but "it simply didn't work".
There are too many reasonable...
Blocks and yields in Ruby
...
Yes, it is a bit puzzling at first.
In Ruby, methods may receive a code block in order to perform arbitrary segments of code.
When a method expects a block, it invokes it by calling the yield function.
This is very handy, for instance, to iterate over a list or to p...
Long-lasting FB access-token for server to pull FB page info
...ut Facebook access-tokens and the grief they cause, but despite much experimentation and reading many frustratingly vague blog articles (FB and otherwise), I'm still struggling to get a clear answer to my needs. Let me succinctly break down my process so far:
...
unable to print object ('po') in xcode6 beta 6 osx swift project: (Error in auto-import: failed to g
...t ( po command) in xcode 6 beta 6 OSX Swift project results in this error message:
5 Answers
...
Determine the path of the executing BASH script [duplicate]
...ative path (i.e. the direct equivalent of Windows' %~dp0):
MY_PATH="`dirname \"$0\"`"
echo "$MY_PATH"
For the absolute, normalized path:
MY_PATH="`dirname \"$0\"`" # relative
MY_PATH="`( cd \"$MY_PATH\" && pwd )`" # absolutized and normalized
if [ -z "$MY_PATH" ] ; then
#...
How do I install g++ for Fedora?
...
The package you're looking for is confusingly named gcc-c++.
share
|
improve this answer
|
follow
|
...
How to reset sequence in postgres and fill id column with new data?
...
SELECT setval('seq', 1, FALSE) should do the same (here, the third argument, FALSE, does the magic, as it shows that nextval must be 1 instead of 2)
– Vasilen Donchev
Sep 22 '15 at 14:43
...