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Makefile经典教程（入门必备） - C/C++ - 清泛网 - 专注C/C++及内核技术
...，你有这样几个Makefile：a.mk、b.mk、c.mk，还有一个文件叫foo.make，以及一个变量$(bar)，其包含了e.mk和f.mk，那么，下面的语句：
2.如果目录/include（一般是：/usr/local/bin或/usr/include）存在的话，make也会去找。
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Makefile经典教程（入门必备） - C/C++ - 清泛网移动版 - 专注C/C++及内核技术
...，你有这样几个Makefile：a.mk、b.mk、c.mk，还有一个文件叫foo.make，以及一个变量$(bar)，其包含了e.mk和f.mk，那么，下面的语句：
2.如果目录/include（一般是：/usr/local/bin或/usr/include）存在的话，make也会去找。
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What is the correct XPath for choosing attributes that contain “foo”?
...this XML, what XPath returns all elements whose prop attribute contains Foo (the first three nodes):
9 Answers
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const char * const versus const char *?
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Well you're fooling yourself because C types are read from the inside out, not from the left to right. :-)
– R.. GitHub STOP HELPING ICE
Feb 9 '11 at 20:54
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@Autowired and static method
...ctor execution. Sample:
@Component
public class Boo {
private static Foo foo;
@Autowired
public Boo(Foo foo) {
Boo.foo = foo;
}
public static void randomMethod() {
foo.doStuff();
}
}
Using @PostConstruct to hand value over to static field
The idea here...
Bash if [ false ] ; returns true
...they're interpreted as strings, you'll run into issues. In your case:
if [ foo ]; then ... # "if the string 'foo' is non-empty, return true"
if foo; then ... # "if the command foo succeeds, return true"
So:
if [ true ] ; then echo "This text will always appear." ; fi;
if [ false ] ; then echo ...
Using unset vs. setting a variable to empty
... parameter expansion can also distinguish between unset and null values: ${foo:bar} expands to "bar" when foo is unset, but "" when foo is null, while ${foo:-bar} expands to "bar" if foo is unset or null.
– chepner
Sep 4 '12 at 14:28
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Difference between := and = operators in Go
...laration + assignment, whereas = is for assignment only.
For example, var foo int = 10 is the same as foo := 10.
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What does 'foo' really mean?
...ming question, as in any programming tutorial, you eventually come across 'foo' in the code examples. (yeah, right?)
9 Answ...
Select by partial string from a pandas DataFrame
...ost is long.
Basic Substring Search
# setup
df1 = pd.DataFrame({'col': ['foo', 'foobar', 'bar', 'baz']})
df1
col
0 foo
1 foobar
2 bar
3 baz
str.contains can be used to perform either substring searches or regex based search. The search defaults to regex-based unless you explic...