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Recommended way to get hostname in Java
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System.err.println(Runtime.getRuntime().exec("hostname")); gives me this: java.lang.UNIXProcess@6eb2384f
– user152468
Apr 23 '15 at 12:31
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RuntimeError on windows trying python multiprocessing
...e fact that it is the original main module that gets re-imported! All this time I was trying the "name ==" check right before where I launched my processes.
– NG Algo
Aug 13 '13 at 9:17
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Twitter API returns error 215, Bad Authentication Data
...;
$host = 'api.twitter.com';
$method = 'GET';
$path = '/1.1/statuses/user_timeline.json'; // api call path
$query = array( // query parameters
'screen_name' => 'twitterapi',
'count' => '5'
);
$oauth = array(
'oauth_consumer_key' => $consumer_key,
'oauth_token' => $toke...
How do I update zsh to the latest version?
...shouldn't mess with gem installations—I use both it and Rubygems all the time. Homebrew's very useful and it's worth fixing whatever problems you're having with it. That said, I don't know that I want to use it to replace Apple's zsh...
– Marnen Laibow-Koser
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Why does C# not provide the C++ style 'friend' keyword? [closed]
...anguage.
That being said, it is a nice feature and I've used it plenty of times myself in C++; and would like to use it in C# too. But I bet because of C#'s "pure" OOness (compared to C++'s pseudo OOness) MS decided that because Java has no friend keyword C# shouldn't either (just kidding ;))
On a...
Is string in array?
...thing> rather than an array. Lookups in a Dictionary are O(1) (constant-time), while searching through the array is O(N) (takes time proportional to the length of the array).
Even if the array is only 200 items at most, if you do a lot of these searches, the Dictionary will likely be faster.
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Notification when a file changes?
... watcher.Path = path;
/* Watch for changes in LastAccess and LastWrite times, and
the renaming of files or directories. */
watcher.NotifyFilter = NotifyFilters.LastAccess | NotifyFilters.LastWrite
| NotifyFilters.FileName | NotifyFilters.DirectoryName;
// Only watch text ...
How can I make a JPA OneToOne relation lazy
...rking on nullable one-to-one mappings you need to let hibernate do compile time instrumentation and add a @LazyToOne(value = LazyToOneOption.NO_PROXY) to the one-to-one relation.
Example Mapping:
@OneToOne(fetch = FetchType.LAZY)
@JoinColumn(name="other_entity_fk")
@LazyToOne(value = LazyToOneOp...
How to convert Linux cron jobs to “the Amazon way”?
...one" will got the message.
From: http://aws.amazon.com/sqs/faqs/#How_many_times_will_I_receive_each_message
Q: How many times will I receive each message?
Amazon SQS is engineered to provide “at least once” delivery of all messages in its queues. Although most of the time each message ...
Rename a class in Xcode: Refactor… is grayed out (disabled). Why?
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This has been bothering me for quite some time also. Thanks!
– Jonatan Hedborg
Dec 23 '09 at 10:41
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