大约有 7,549 项符合查询结果（耗时：0.0316秒） [XML]
java : convert float to String and String to float
...alue();
System.out.println("float f = " + f);
}
catch (NumberFormatException nfe)
{
System.out.println("NumberFormatException: " + nfe.getMessage());
}
}
}
found here
share
|
...
Removing path and extension from filename in powershell
...toryName+"\"+(Get-Item $PSCommandPath ).BaseName+".ini"
$ConfigINI
other forms:
$scriptPath = split-path -parent $MyInvocation.MyCommand.Definition
split-path -parent $PSCommandPath
Split-Path $script:MyInvocation.MyCommand.Path
split-path -parent $MyInvocation.MyCommand.Definition
[io.path]::Get...
How to print Boolean flag in NSLog?
...og(flag ? @"Yes" : @"No");
?: is the ternary conditional operator of the form:
condition ? result_if_true : result_if_false
Substitute actual log strings accordingly where appropriate.
share
|
...
How to check with javascript if connection is local host?
...
Shortest form using same mechanic as other scripts:
if ( ["localhost", "127.0.0.1", ""].includes(window.location.hostname) ) {
console.log("It's local host !");
}
...
Mongoimport of json file
... Each record which will correspond to a document in the mongo database is formatted as follows:
16 Answers
...
When is assembly faster than C?
...s that, on occasion, it can be employed to write code that will be more performant than writing that code in a higher-level language, C in particular. However, I've also heard it stated many times that although that's not entirely false, the cases where assembler can actually be used to generate ...
DateTime “null” value
...a nullable DateTime, like this:
DateTime? MyNullableDate;
Or the longer form:
Nullable<DateTime> MyNullableDate;
And, finally, there's a built in way to reference the default of any type. This returns null for reference types, but for our DateTime example it will return the same as Date...
How to set session timeout in web.config
...on variable like this -
Session["UserId"] = 1;
Now, you will have to perform a check on every page for this variable like this -
if(Session["UserId"] == null)
Response.Redirect("login.aspx");
This is a bare-bones example of how this will work.
But, for making your production quality secu...
How does the ARM architecture differ from x86? [closed]
... /* repeat while equal compare string bytewise */
while on ARM shortest form might look like (without error checking etc.)
top:
ldrb r2, [r0, #1]! /* load a byte from address in r0 into r2, increment r0 after */
ldrb r3, [r1, #1]! /* load a byte from address in r1 into r3, increment r1 after */
...
What does PermGen actually stand for?
...n's client implementation with sharing on, classes.jsa is memory mapped to form the initial data, with about half read-only and half copy-on-write.
Java objects that are merely old are kept in the Tenured Generation.
share
...