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What is the perfect counterpart in Python for “while not EOF”
...u cannot have this in Python:
while (line = f.readline()):
# syntax error
because assignments are not allowed in expressions in Python (although recent versions of Python can mimic this using assignment expressions, see below).
It is certainly more idiomatic in Python to do this:
# THIS I...
Download JSON object as a file from browser
...<1000000; ++i) storageObj.push('aaa'); gives "download Failed - Network error" in Chrome 61
– oseiskar
Nov 1 '17 at 12:19
2
...
How can I parse a JSON file with PHP? [duplicate]
...ents("/home/michael/test.json");
if ($string === false) {
// deal with error...
}
$json_a = json_decode($string, true);
if ($json_a === null) {
// deal with error...
}
foreach ($json_a as $person_name => $person_a) {
echo $person_a['status'];
}
?>
...
TLSF源码及算法介绍 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...<stdio.h>
# define PRINT_MSG(fmt, args...) printf(fmt, ## args)
# define ERROR_MSG(fmt, args...) printf(fmt, ## args)
#else
# if !defined(PRINT_MSG)
# define PRINT_MSG(fmt, args...)
# endif
# if !defined(ERROR_MSG)
# define ERROR_MSG(fmt, args...)
# endif
#endif
typedef unsigned int u...
Rails 3: Get Random Record
...last" to your second example will avoid a "couldn't find Model without ID" error. E.g. User.find( users.first( Random.rand( users.length )).last.id )
– turing_machine
Mar 28 '14 at 4:27
...
SLF4J: Class path contains multiple SLF4J bindings
I'm getting the following error. It seems there are multiple logging frameworks bound to slf4j. Not sure how to resolve this. Any help is greatly appreciated.
...
Do we need semicolon at the end? [duplicate]
...ed semicolons in some of the places in my JavaScript, but its not throwing error in any of the browsers. Is the ; at the end needed?
...
What does bundle exec rake mean?
...s script doesn't play nice. This difference in versions can give you weird errors.
bundle exec helps you avoid these errors. It executes the script using the gems specified in the script's Gemfile rather than the systemwide Gemfile. It executes the certain gem versions with the magic of shell alias...
How to thoroughly purge and reinstall postgresql on ubuntu? [closed]
... on a debian wheezy ( I had previously migrated from 8.4 and I was getting errors ).
What I did:
First, I deleted config and database
$ sudo pg_dropcluster --stop 9.1 main
Then removed postgresql
$ sudo apt-get remove --purge postgresql postgresql-9.1
and then reinstalled
$ sudo apt-get i...
Convert RGB to RGBA over white
...number a, but the problem is to find a number for which the discretization error is minimal.
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