大约有 46,000 项符合查询结果（耗时：0.0639秒） [XML]
When do you use the “this” keyword? [closed]
I was curious about how other people use the this keyword. I tend to use it in constructors, but I may also use it throughout the class in other methods. Some examples:
...
How do I create a self-signed certificate for code signing on Windows?
...
If you're using an older version such as Windows 7, you'll need to stick with MakeCert or another solution. Some people suggest the Public Key Infrastructure Powershell (PSPKI) Module.
Original Answer
While you can create a self-signed code-signing certificate (SPC - Software Publisher Certificat...
Lambda function in list comprehensions
...
The first one creates a single lambda function and calls it ten times.
The second one doesn't call the function. It creates 10 different lambda functions. It puts all of those in a list. To make it equivalent to the first you need:
[(lambda x: x*x)(x) for x in range(10)]
Or better...
Maximum Java heap size of a 32-bit JVM on a 64-bit OS
The question is not about the maximum heap size on a 32-bit OS, given that 32-bit OSes have a maximum addressable memory size of 4GB, and that the JVM's max heap size depends on how much contiguous free memory can be reserved.
...
error: Unable to find vcvarsall.bat
...ctions here may be dangerous. Consider using the Visual C++ 2008 Express edition or the purpose-built Microsoft Visual C++ Compiler for Python (details) and NOT using the original answer below. Original error message means the required version of Visual C++ is not installed.
For Windows installat...
Querying DynamoDB by date
I'm coming from a relational database background and trying to work with amazon's DynamoDB
7 Answers
...
How to view the Folder and Files in GAC?
...re going to install an assembly you have to specify where gacutil can find it, so you have to provide a full path as well. But when an assembly already is in GAC - gacutil know a folder path so it just need an assembly name.
MSDN:
How to: Install an Assembly into the Global Assembly Cache
How to:...
Authenticating in PHP using LDAP through Active Directory
I'm looking for a way to authenticate users through LDAP with PHP (with Active Directory being the provider). Ideally, it should be able to run on IIS 7 ( adLDAP does it on Apache). Anyone had done anything similar, with success?
...
Embedding SVG into ReactJS
...16-05-27
As of React v15, support for SVG in React is (close to?) 100% parity with current browser support for SVG (source). You just need to apply some syntax transformations to make it JSX compatible, like you already have to do for HTML (class → className, style="color: purple" → style={{col...
Semicolons superfluous at the end of a line in shell scripts?
...tab
control operator
A token that performs a control function. It is one of the following symbols:
|| & && ; ;; ( ) | |& <newline>
So, the ; can be metacharacter or control operator, while the ;; is always a control operator (in case command).
In your p...