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How to count number of files in each directory?
... the directories and let bash do the rest:
find . -type d -print0 | while read -d '' -r dir; do
files=("$dir"/*)
printf "%5d files in directory %s\n" "${#files[@]}" "$dir"
done
share
|
imp...
How can I trim leading and trailing white space?
...
Probably the best way is to handle the trailing white spaces when you read your data file. If you use read.csv or read.table you can set the parameterstrip.white=TRUE.
If you want to clean strings afterwards you could use one of these functions:
# Returns string without leading white space
trim...
Multi-line string with extra space (preserved indentation)
...EOM
Line 1.
Line 2.
EOM
You could also store these lines to a variable:
read -r -d '' VAR << EOM
This is line 1.
This is line 2.
Line 3.
EOM
This stores the lines to the variable named VAR.
When printing, remember the quotes around the variable otherwise you won't see the newline charact...
Where can I learn jQuery? Is it worth it?
...alls a little flat is with its UI components. Those don't seem to be quite ready for primetime just yet.
It could be that Prototype or MooTools or ExtJS are as good as jQuery. But for me, jQuery seems to have a little more momentum behind it right now and that counts for something for me.
Check ...
Patterns for handling batch operations in REST web services?
...te partial resources, or resource attributes. That is, update each markedAsRead attribute. Basically, instead of treating the attribute as part of each resource, you treat it as a bucket into which to put resources. One example was already posted. I adjusted it a little.
POST /mail?markAsRead=true
...
Why is Dictionary preferred over Hashtable in C#?
... differences:
Generic <<<>>> Non-Generic
Needs own thread synchronization <<<>>> Offers thread safe version through Synchronized() method
Enumerated item: KeyValuePair <<<>>> Enumerated item: DictionaryEntry
Newer (> .NET 2.0) <<<...
How can I get a java.io.InputStream from a java.lang.String?
...
Update: This answer is precisely what the OP doesn't want. Please read the other answers.
For those cases when we don't care about the data being re-materialized in memory, please use:
new ByteArrayInputStream(str.getBytes("UTF-8"))
...
Web scraping with Python [closed]
... BeautifulSoup
soup = BeautifulSoup(urllib2.urlopen('http://example.com').read())
for row in soup('table', {'class': 'spad'})[0].tbody('tr'):
tds = row('td')
print tds[0].string, tds[1].string
# will print date and sunrise
...
How to pretty print XML from the command line?
...;/root>' |
python -c 'import sys;import xml.dom.minidom;s=sys.stdin.read();print(xml.dom.minidom.parseString(s).toprettyxml())'
saxon-lint
You need saxon-lint:
echo '<root><foo a="b">lorem</foo><bar value="ipsum" /></root>' |
saxon-lint --indent --xpath '...
Cannot delete directory with Directory.Delete(path, true)
..., it is factually incorrect about the workings of Directory.Delete. Please read the comments for this answer, and other answers to this question.
I ran into this problem before.
The root of the problem is that this function does not delete files that are within the directory structure. So what y...