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Default string initialization: NULL or Empty? [closed]
...may not be changed, for example, a user's middle name.
NULL when it is an error if the ensuing code does not set the value explicitly.
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What is the standard Python docstring format? [closed]
... second param
@return: this is a description of what is returned
@raise keyError: raises an exception
"""
- reST
Nowadays, the probably more prevalent format is the reStructuredText (reST) format that is used by Sphinx to generate documentation.
Note: it is used by default in JetBrains PyCharm (t...
Why does Internet Explorer not send HTTP post body on Ajax call after failure?
...we make Ajax requests every 100ms and then the network status changes, the error is easy to reproduce. Although most applications probably do not make such requests, you might well have a couple of server calls happening right after each other which could lead to this problem. Less chatty keeps IE h...
How to send data to local clipboard from a remote SSH session
... use old unicode
-version version information
-silent errors only, run in background (default)
-quiet run in foreground, show what's happening
-verbose running commentary
Report bugs to <astrand@lysator.liu.se>
$ xsel -help
Usage: xsel [options]
M...
Objective-C implicit conversion loses integer precision 'NSUInteger' (aka 'unsigned long') to 'int'
... to add - I voted up this answer as I received a crap load of warnings and errors all of a sudden in my Xcode 5 project. You mentioned 64bit which lead me to look at my build settings. Xcode changed it to 64bit mode which threw up errors. Changing it back to arvm7 fixed all of them.
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What is a “symbol” in Julia?
...You can see the difference by applying eval to them:
julia> eval(:foo)
ERROR: foo not defined
julia> foo = "hello"
"hello"
julia> eval(:foo)
"hello"
julia> eval("foo")
"foo"
What the symbol :foo evaluates to depends on what – if anything – the variable foo is bound to, wherea...
Amazon EC2, mysql aborting start because InnoDB: mmap (x bytes) failed; errno 12
...emory:
Initializing buffer pool, size = 512.0M
A few lines down, the error message tells you MySQL will not start because it cannot reserve enough (512M) memory for the InnoDB buffer pool:
Fatal error: cannot allocate memory for the buffer pool
That begs three questions:
How much memor...
Using awk to remove the Byte-order mark
...OM. When you use UTF-8, decoders present the BOM as data. This is a syntax error in innumerable programs. Even Java’s decoder behaves this way, BY DESIGN! BOMs on UTF-8 files are misplaced and a pain in the butt: they are an error! They break many things. Even just cat file1.utf8 file2.utf8 file3....
A definitive guide to API-breaking changes in .NET
...LL, but also use a newer version of the Foo DLL. It breaks with a strange error, or at least it did for me in libraries I have developed before.
– Jeremy
Jun 7 '16 at 20:39
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Can I use my existing git repo with openshift?
...
You have an error. You can have multiple repositories, but they both can't be named "origin". They must be unique, like: origin and origin2
– Eric P
Sep 22 '15 at 13:07
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