大约有 30,000 项符合查询结果(耗时:0.0511秒) [XML]
In HTML I can make a checkmark with ✓ . Is there a corresponding X-mark?
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The complete reference is called Unicode! You could look amongst the “Symbols/Other” character, perhaps (though you font probably won't have glyphs for much of it): fileformat.info/info/unicode/category/So/list.htm
– bobince
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What does && mean in void *p = &&abc;
... OS loads the .exe file from the disk, a component of the operating system called "the loader" (windows has the "PE Loader", linux has "ELF loader" or maybe even others, if they're compiled in the kernel), it does a "virtualization" of that program, turning it into a process.
This process thinks it ...
Why Collections.sort uses merge sort instead of quicksort?
... to provide a stable sort (Merge Sort)
to sort object references. (Techincally speaking, multiple sequential
stable sorts result in a lexicographic ordering on the keys in the
reverse order of the sorts: the final sort determines the most
significant subkey.)
It's a nice side benefit th...
Difference between Document-based and Key/Value-based databases?
...me debate on the correct name for databases such as Cassandra, I'd like to call them column-family stores. Although key-value pairs are an essential part of Cassandra, it's not limited to just that. It allows you to nest key-value pairs, so a key could refer to multiple sub-key-value pairs.
You can...
How to convert a boolean array to an int array
... what i've read, if you need to do some time critical crunching you should call c from python. Do you know any references for doing this? also, thank you for your help. surprised how fast everyone responded!
– Kwolf
Jul 6 '13 at 20:54
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Moving default AVD configuration folder (.android)
...e answer.
Move .android folder to E:\Android
Create environment variable called
ANDROID_SDK_HOME and set its value to
E:\Android
Setting the environment variable on Windows XP or Windows 7:
Right-click on My Computer and choose "Properties"
Click the "Advanced" tab
Click the button "Environmen...
Reload .profile in bash shell script (in unix)?
... contents of .profile file.
Ad 2) You can start any bash script either by calling
sh myscript.sh
or
. myscript.sh
In the first case this will create a subshell that will not affect the environment variables of your system and they will be visible only to the subshell process. After finishin...
Default value in Go's method
...ts on the subject, but here are some specific examples.
**Option 1:** The caller chooses to use default values
// Both parameters are optional, use empty string for default value
func Concat1(a string, b int) string {
if a == "" {
a = "default-a"
}
if b == 0 {
b = 5
}
return fmt....
Flask-SQLalchemy update a row's information
... you're still confused on the differences after reading through there, consider asking another question.
– Mark Hildreth
Jul 15 '11 at 15:36
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Ruby class types and case statements
...sif Array === item
...
elsif String === item
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Understand that case is calling a threequal method (MyClass.===(item) for example), and that method can be defined to do whatever you want, and then you can use the case statement with precisionw
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