大约有 44,000 项符合查询结果（耗时：0.0259秒） [XML]
Append a dictionary to a dictionary [duplicate]
...
You can do
orig.update(extra)
or, if you don't want orig to be modified, make a copy first:
dest = dict(orig) # or orig.copy()
dest.update(extra)
Note that if extra and orig have overlapping keys, the final value will be taken from extra. For...
Are there any SHA-256 javascript implementations that are generally considered trustworthy?
...I agree with @NickBrunt . It is better if the attacker reads a random hash string that may fit only with this particular app rather than the original password that may be used in several places.
– Aebsubis
May 28 '14 at 15:16
...
How do I set a variable to the output of a command in Bash?
... it's only the quotes that are important re: whether expansion results are string-split and glob-expanded before being passed to the echo command.
– Charles Duffy
Apr 21 '15 at 15:37
...
Python Requests throwing SSLError
...he following options, your best option is to set the verify parameter to a string that is the path of the .pem file of the certificate (which you should obtain by some sort of secure means).
So, as of version 2.0, the verify parameter accepts the following values, with their respective semantics:
...
Determine .NET Framework version for dll
...eflection.Assembly.ReflectionOnlyLoadFrom("C:\path\assembly.dll")
Dim s As String = a.ImageRuntimeVersion
From the command line, starting in v2.0, ildasm.exe will show it if you double-click on "MANIFEST" and look for "Metadata version". Determining an Image’s CLR Version
...
Is Java really slow?
...on Java still has a bad reputation, especially server-side. This makes the String problems exponentially worse. Some simple mistakes are common: objects are often used in place of primitives, reducing performance and increasing memory use. Many Java libraries (including the standard ones) will creat...
How should I copy Strings in Java?
...kup variable still contains the original value "hello" (this is because of String's immutability right?).
5 Answers
...
What is a “callback” in C and how are they implemented?
...dlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <string.h>
#include "../../common_typedef.h"
typedef void (*call_back) (S32, S32);
void test_call_back(S32 a, S32 b)
{
printf("In call back function, a:%d \t b:%d \n", a, b);
}
void call_callback_func(call_back back)...
Blank HTML SELECT without blank item in dropdown list
...
Just use disabled and/or hidden attributes:
<option selected disabled hidden style='display: none' value=''></option>
selected makes this option the default one.
disabled makes this option unclickable.
style='display: none' mak...
java.util.regex - importance of Pattern.compile()?
...rtance of Pattern.compile() method?
Why do I need to compile the regex string before getting the Matcher object?
8 An...