大约有 40,000 项符合查询结果（耗时：0.0695秒） [XML]
Insert line after first match using sed
... Solaris...)):
sed '/CLIENTSCRIPT=/a\
CLIENTSCRIPT2="hello"' file
Or on one line:
sed -e '/CLIENTSCRIPT=/a\' -e 'CLIENTSCRIPT2="hello"' file
(-expressions (and the contents of -files) are joined with newlines to make up the sed script sed interprets).
The -i option for in-place editing is als...
How to convert PascalCase to pascal_case?
...A sequence beginning with an uppercase letter can be followed by either:
one or more uppercase letters and digits (followed by either the end of the string or an uppercase letter followed by a lowercase letter or digit ie the start of the next sequence); or
one or more lowercase letters or digits....
How do I create a constant in Python?
...attribute, and can contain any value. Declaration is easy Nums = Constants(ONE=1, PI=3.14159, DefaultWidth=100.0), Usage is straightforward print 10 + Nums.PI, attempt to change results in exception Nums.PI = 22 => ValueError(..).
– ToolmakerSteve
Dec 11 '13...
What is external linkage and internal linkage?
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I'd upvote this except for one glitch: A translation unit is not "somehow the object file", it's the source code from which the compiler creates the object file.
– sbi
Aug 31 '09 at 21:04
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Delete all rows in an HTML table
...r rows in a <tbody> then replace the <tbody> with a new, empty one.
i.e.
var new_tbody = document.createElement('tbody');
populate_with_new_rows(new_tbody);
old_tbody.parentNode.replaceChild(new_tbody, old_tbody)
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Xml configuration versus Annotation based configuration [closed]
...been working on lately it seems to become increasingly important to choose one or the other (XML or Annotation). As projects grow, consistency is very important for maintainability.
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What are the pros and cons to keeping SQL in Stored Procs versus Code [closed]
...king on (C# ASP.NET Forum). At the moment, most of the database access is done by building the SQL inline in C# and calling to the SQL Server DB. So I'm trying to establish which, for this particular project, would be best.
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How to check if mysql database exists
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First one good. Second one not so much. You might not have database creation privilege.
– O. Jones
Dec 16 '09 at 20:18
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Understanding the map function
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map doesn't relate to a Cartesian product at all, although I imagine someone well versed in functional programming could come up with some impossible to understand way of generating a one using map.
map in Python 3 is equivalent to this:
def map(func, iterable):
for i in iterable:
y...
How to find a deleted file in the project commit history?
...-file>
Note the caret symbol (^), which gets the checkout prior to the one identified, because at the moment of <SHA> commit the file is deleted, we need to look at the previous commit to get the deleted file's contents
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