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When to use Spring Integration vs. Camel?
... requirement Camel won. We use it mainly to transfer internal datafiles to/from external parties which usually requires format conversions sending it using ftp/sftp/... or attaching it to an email and sending it out.
We found the edit-compile-debug cycle reduced. Using groovy to experiment setting ...
Apache Spark: map vs mapPartitions?
...only once. Even if the RDD is cached in RAM, that saves a lot of overhead from type conversion.
– Bob
Mar 27 '15 at 4:58
3
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How to determine the encoding of text?
...
Correctly detecting the encoding all times is impossible.
(From chardet FAQ:)
However, some encodings are optimized
for specific languages, and languages
are not random. Some character
sequences pop up all the time, while
other sequences make no sense. A
person fluent i...
Reading specific lines only
...-like object thefile (leaving up to the caller whether it should be opened from a disk file, or via e.g a socket, or other file-like stream) and a set of zero-based line indices whatlines, and returns a list, with low memory footprint and reasonable speed. If the number of lines to be returned is h...
How can I convert ereg expressions to preg in PHP?
...anation! I'd like just to add an special case in which your are converting from ereg to preg_match and you need to escape only the delimiters and not reserved characters (because they were already working as special characters, we don't want to escape them): preg_match('/'.str_replace('/','\/',$exp...
How to check a string for specific characters?
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user Jochen Ritzel said this in a comment to an answer to this question from user dappawit.
It should work:
('1' in var) and ('2' in var) and ('3' in var) ...
'1', '2', etc. should be replaced with the characters you are looking for.
See this page in the Python 2.7 documentation for some info...
How to commit no change and new message?
...h temporary workflow artifacts and make it hard to separate code revisions from ephemeral cruft.
Other strategies to add metadata to a commit tree include:
Separate branches or lightweight tags that always point to a commit of a particular status (e.g. "last accepted commit" or "current staging co...
Pretty-Print JSON in Java
...d code to parse a string into a JsonElement, usually you already have that from previous work you do with the JSON data. But I wanted to include it here to make the usage clearer.
– Ray Hulha
Feb 20 '14 at 15:01
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Temporarily disable auto_now / auto_now_add
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from Django documentation: docs.djangoproject.com/en/1.9/topics/db/queries/… Be aware that the update() method is converted directly to an SQL statement. It is a bulk operation for direct updates. It doesn’t run any save(...
Common use-cases for pickle in Python
...n.
To emphasise @lunaryorn's comment - you should never unpickle a string from an untrusted source, since a carefully crafted pickle could execute arbitrary code on your system. For example see https://blog.nelhage.com/2011/03/exploiting-pickle/
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