大约有 23,000 项符合查询结果（耗时：0.0294秒） [XML]
Amazon EC2, mysql aborting start because InnoDB: mmap (x bytes) failed; errno 12
I have set up a micro instance server on EC2 based on what I read here
7 Answers
7
...
An error occurred while installing pg (0.17.1), and Bundler cannot continue
...gem install pg fails, try the following command:
env ARCHFLAGS="-arch x86_64" gem install pg -- --with-pg-config=/Applications/Postgres.app/Contents/MacOS/bin/pg_config
... from the PostgreSQL.app Documentation
share
...
What is the difference between float and double?
...E double-precision. Nevertheless, for most architectures (gcc, MSVC; x86, x64, ARM) float is indeed a IEEE single-precision floating point number (binary32), and double is a IEEE double-precision floating point number (binary64).
...
How to make Google Chrome JavaScript console persistent?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
Draft saved
Draft discarded
...
How to wait in a batch script? [duplicate]
...
I added the actual function its called timeout.. ss64.com/nt/timeout.html at least I know that others didn't know either :)
– Thomaschaaf
Apr 9 '09 at 19:42
...
Copy Notepad++ text with formatting?
...
npintinpinti
49.3k55 gold badges6464 silver badges8989 bronze badges
39
...
Why unsigned integer is not available in PostgreSQL?
... fit into long.
Another thing, if I did have the need to store 32 bit or 64 bit types, I can use PostgreSQL int4 or int8 respectively, just remembering that the natural order or arithmetic won't work reliably. But storing and retrieving is unaffected by that.
Here is how I can implement a simp...
Hidden Features of C++? [closed]
...of those facilities are not build-in features of the language, but library-based ones.
The most important is the RAII, often ignored for years by C++ developers coming from the C world. Operator overloading is often a misunderstood feature that enable both array-like behaviour (subscript operator),...
How to pip or easy_install tkinter on Windows
...d say "This is Tcl/Tk version 8.5"; make sure it is not 8.4!
2) Uninstall 64-bit Python and install 32 bit Python.
share
|
improve this answer
|
follow
|
...
Length of an integer in Python
...the integer value, then just take the len of that representation, be it in base 10 or otherwise!
share
|
improve this answer
|
follow
|
...