大约有 12,000 项符合查询结果（耗时：0.0381秒） [XML]
How to determine whether a substring is in a different string
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foo = "blahblahblah"
bar = "somethingblahblahblahmeep"
if foo in bar:
# do something
(By the way - try to not name a variable string, since there's a Python standard library with the same name. You might confuse people ...
Increment value in mysql update query
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Also, to "increment" string, when update, use CONCAT
update dbo.test set foo=CONCAT(foo, 'bar') where 1=1
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How to get JS variable to retain value after page refresh? [duplicate]
... is closed.
To test it out, just open the console and type window.name = "foo", then refresh the page and type window.name; it should respond with foo.
This is a bit of a hack, but if you don't want cookies filled with unnecessary data being sent to the server with every request, and if you can't ...
Which characters need to be escaped when using Bash?
... in a format that can be reused as shell input.
Some samples:
read foo
Hello world
printf "%q\n" "$foo"
Hello\ world
printf "%q\n" $'Hello world!\n'
$'Hello world!\n'
This could be used through variables too:
printf -v var "%q" "$foo
"
echo "$var"
$'Hello world\n'
Quick check with all (12...
Vim: What's the difference between let and set?
...40
:let &tw=40
But, for example, assigning 50 to the global variable foo (:let g:foo=50) cannot be achieved with a :set command (because g:foo is a variable and not an option).
Some options are boolean like. When setting these, no value is needed (as in :set noic and the opposite :set ic).
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How to set a default entity property value with Hibernate
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what about just setting a default value for the field?
private String _foo = "default";
//property here
public String Foo
if they pass a value, then it will be overwritten, otherwise, you have a default.
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Why does this assert throw a format exception when comparing structures?
...d that's what's failing. Ouch.
Indeed, we can prove this really easily by fooling the formatting to use our parameters for the expected and actual parts:
var x = "{0}";
var y = "{1}";
Assert.AreEqual<object>(x, y, "What a surprise!", "foo", "bar");
The result is:
Assert.AreEqual failed. E...
How do I print the type of a variable in Rust?
...![1, 2, 4]); // prints "std::vec::Vec<i32>"
print_type_of(&"foo"); // prints "&str"
}
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what is the difference between ?:, ?! and ?= in regex?
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Try matching foobar against these:
/foo(?=b)(.*)/
/foo(?!b)(.*)/
The first regex will match and will return "bar" as first submatch — (?=b) matches the 'b', but does not consume it, leaving it for the following parentheses.
The seco...
How do I get my C# program to sleep for 50 msec?
...eature, the best way to sleep for 50ms is by using Task.Delay:
async void foo()
{
// something
await Task.Delay(50);
}
Or if you are targeting .NET 4 (with Async CTP 3 for VS2010 or Microsoft.Bcl.Async), you must use:
async void foo()
{
// something
await TaskEx.Delay(50);
}
Th...