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How to clear ostringstream [duplicate]
...his method? For example, for (int i=0; i<100; ++i) { std::ostringstream foo; foo << "bar"; std::cout << foo.str() << " ";}. Will this print: bar bar bar [...] or bar barbar barbarbar [...]?
– Thanasis Papoutsidakis
Nov 2 '13 at 15:42
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jQuery dot in ID selector? [duplicate]
... escaped with with two backslashes: \\. For example, an element with
id="foo.bar", can use the selector $("#foo\\.bar").
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Using a string variable as a variable name [duplicate]
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You can use exec for that:
>>> foo = "bar"
>>> exec(foo + " = 'something else'")
>>> print bar
something else
>>>
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Swift equivalent of [NSBundle bundleForClass:[self class]]
... class inside your value type. Example of the latter solution: Bundle(for: Foo.Bar.self) where Foo - your struct, Bar - some inner class.
– Vadim Bulavin
Apr 24 '17 at 13:37
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关于jQuery的AJAX不兼容IE的解决办法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...查看手册后发现请求的数据格式还是有一种JSON格式，如{foo:["bar1", "bar2"]} ，然后就按照这种格式书写，还真的返回了正确的查询结果。真不知道IE还有这点要求。（完）
先前的格式：
type: "get",
data: "bid="+my_bid+"&name_cn="+...
sqlite 命令行创建一个空库 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...的SQLite数据库的优势，比touch创建一个空文件好。$sqlite3 foo db "create table t(f int); drop table t;"可以通过以下方 SQLite创建一个空白的数据库，具有被识别为有效的SQLite数据库的优势，比touch创建一个空文件好。
$sqlite3 foo.db "create t...
Differences between Agda and Idris
I'm starting to dive into dependently-typed programming and have found that the Agda and Idris languages are the closest to Haskell, so I started there.
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Replace one character with another in Bash
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Use inline shell string replacement. Example:
foo=" "
# replace first blank only
bar=${foo/ /.}
# replace all blanks
bar=${foo// /.}
See http://tldp.org/LDP/abs/html/string-manipulation.html for more details.
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Convert javascript array to string
I'm trying to iterate over a "value" list and convert it into a string. Here is the code:
14 Answers
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How can I use if/else in a dictionary comprehension?
... the following dictionary of sets
d = {'key1': {'a', 'b', 'c'}, 'key2': {'foo', 'bar'}, 'key3': {'so', 'sad'}}
and you want to create a new dictionary whose keys indicate whether the string 'a' is contained in the values or not, you can use
dout = {"a_in_values_of_{}".format(k) if 'a' in v else ...