大约有 48,000 项符合查询结果（耗时：0.0532秒） [XML]
sed whole word search and replace
...nside sed for matching whole words
\bmyWord\b
\<myWord\>
Hear me now and believe me later, this ugly syntax is what you need to use:
/[[:<:]]myWord[[:>:]]/
So, for example, to replace mint with minty for whole words only:
sed "s/[[:<:]]mint[[:>:]]/minty/g"
Source: re_fo...
Parsing JSON giving “unexpected token o” error [duplicate]
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@mko: In this case, you don't. You know it is or you don't. Look at it and see if it conforms to the JSON specification.
– Dark Falcon
Sep 15 '14 at 12:49
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Python script to copy text to clipboard [duplicate]
...clipboard_clear()
r.clipboard_append('i can has clipboardz?')
r.update() # now it stays on the clipboard after the window is closed
r.destroy()
(Original author: https://stackoverflow.com/users/449571/atomizer)
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How to format a string as a telephone number in C#
...ming quote:
Some people, when confronted with a
problem, think “I know, I’ll use
regular expressions.” Now they have
two problems.
--Jamie Zawinski, in comp.lang.emacs
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What's the fastest way to merge/join data.frames in R?
...version.string
# R version 2.15.1 (2012-06-22)
Please note that I don't know plyr well so please do check with Hadley before relying on the plyr timings here. Also note that the data.table do include the time to convert to data.table and set the key, for fareness.
This answer has been updated s...
Rename a class in Xcode: Refactor… is grayed out (disabled). Why?
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I've been using Xcode for 5 years now, and refactoring has never worked correctly (even xcode 4.6 has major bugs where it WILL corrupt your source code!).
The workaround has always been (still works 100%, even in cases where Apple's code fails)
use shift-c...
Android: show soft keyboard automatically when focus is on an EditText
... So is there a callback that will tell me "If you try to show the keyboard now, it will actually work"?
– William Jockusch
Jan 19 '15 at 21:26
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How to find all the tables in MySQL with specific column names in them?
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@JohnMillikin: or conversely, if you don't know the database but only the field name, leave it out and add TABLE_SCHEMA to the fields of the return set to see all databases + tables that contain that column name.
– Abel
May 17 '13...
How to get current page URL in MVC 3
... did. When an upvote just came in on this answer I thought I should do it now.
The 'bug' I mention in Asp.Net can be be controlled with an apparently undocumented appSettings value - called 'aspnet:UseHostHeaderForRequest' - i.e:
<appSettings>
<add key="aspnet:UseHostHeaderForRequest" ...
How does the @property decorator work in Python?
...mat(money.dollars, money.cents))
# prints I have 27 dollar and 12 cents.
Now let's suppose you decide to change your Money class and get rid of the dollars and cents attributes but instead decide to only track the total amount of cents:
class Money:
def __init__(self, dollars, cents):
...