大约有 47,000 项符合查询结果（耗时：0.0804秒） [XML]
How to get a password from a shell script without echoing
...chars] [-N nchars] [-p prompt] [-t timeout] [-u fd] [name ...]
Read a line from the standard input and split it into fields.
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-p prompt output the string PROMPT without a trailing newline before
attempting to read
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-s do not echo input coming from a terminal
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IOCTL Linux device driver [closed]
...where you set up a file under /sys/ and read/write that to get information from and to the driver. An example of how to set this up:
static ssize_t mydrvr_version_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
return sprintf(buf, "%s\n", DRIVER_RELEASE);
}
static ...
Squash my last X commits together using Git
...<after-this-commit> is either the SHA1 hash or the relative location from the HEAD of the current branch from which commits are analyzed for the rebase command. For example, if the user wishes to view 5 commits from the current HEAD in the past the command is git rebase -i HEAD~5.
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How do I prevent a parent's onclick event from firing when a child anchor is clicked?
...ing (for the div and the anchor). How do I prevent the div's onclick event from firing when an anchor is clicked?
21 Answer...
Is there a better way to iterate over two lists, getting one element from each list for each iterati
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in case your Latitude and Longitude lists are large and lazily loaded:
from itertools import izip
for lat, lon in izip(latitudes, longitudes):
process(lat, lon)
or if you want to avoid the for-loop
from itertools import izip, imap
out = imap(process, izip(latitudes, longitudes))
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log4j vs logback [closed]
...by simply dropping slf4j-log4j12.jar onto your class path.
When migrating from logback to log4j, logback specific parts, specifically those contained in logback.xml configuration file would still need to be migrated to its log4j equivalent, i.e. log4j.properties. When migrating in the other direct...
How can I consume a WSDL (SOAP) web service in Python?
...tion, it loads the WSDL live and creates an object you can immediately use from it.
– EnigmaCurry
Feb 23 '11 at 15:43
19
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Effective method to hide email from spam bots
On my homepage, I'm using this method to hide my email from spam bots:
34 Answers
34
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Include all existing fields and add new fields to document
...reason, why, because aggregation is mostly created to group/calculate data from collection fields (sum, avg, etc.) and return all the collection's fields is not direct purpose.
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How to remove a field from params[:something]
...l so use with more care!
Original Answer
You can remove a key/value pair from a Hash using Hash#delete:
params.delete :company
If it's contained in params[:user], then you'd use this:
params[:user].delete :company
sha...