大约有 41,000 项符合查询结果(耗时:0.0537秒) [XML]
Lowercase JSON key names with JSON Marshal in Go
...he "encoding/json" package to marshal a struct declared in one of the imported packages of my application.
2 Answers
...
C++ - passing references to std::shared_ptr or boost::shared_ptr
If I have a function that needs to work with a shared_ptr , wouldn't it be more efficient to pass it a reference to it (so to avoid copying the shared_ptr object)?
What are the possible bad side effects?
I envision two possible cases:
...
Why do I need 'b' to encode a string with Base64?
...ters fit neatly into the ASCII character set, and base64 encoding is therefore actually a bit pointless. You can convert it to ascii instead, with
>>> encoded = 'data to be encoded'.encode('ascii')
Or simpler:
>>> encoded = b'data to be encoded'
Which would be the same thing ...
When to use ref and when it is not necessary in C#
I have a object that is my in memory state of the program and also have some other worker functions that I pass the object to to modify the state. I have been passing it by ref to the worker functions. However I came across the following function.
...
AutoLayout with hidden UIViews?
...
UIStackView is probably the way to go for iOS 9+. Not only does it handle the hidden view, it will also remove additional spacing and margins if set up correctly.
share
|
...
How to generate and validate a software license key?
...y involved in developing a product (developed in C#) that'll be available for downloading and installing for free but in a very limited version. To get access to all the features the user has to pay a license fee and receive a key. That key will then be entered into the application to "unlock" the f...
Android Game Keeps Getting Hacked [closed]
So we've been through this several times now, we release a game (for cheap) and someone hacks it and puts it up on a mirror. We setup Google Alerts for all our apps, so we get told daily who's doing the hacking. So far, we have implemented the licensing service as Google has suggested, our salt is...
PHP Get Site URL Protocol - http vs https
...t site url protocol but I don't have SSL and don't know how to test if it works under https. Can you tell me if this is correct?
...
sed beginner: changing all occurrences in a folder
...xec sed -i.bak "s/foo/bar/g" {} \;
This command will create a .bak file for each changed file.
Notes:
The -i argument for sed command is a GNU extension, so, if you are running this command with the BSD's sed you will need to redirect the output to a new file then rename it.
The find utility d...
How to use a servlet filter in Java to change an incoming servlet request url?
...est.
Use HttpServletRequest#getRequestURI() to grab the path.
Use straightforward java.lang.String methods like substring(), split(), concat() and so on to extract the part of interest and compose the new path.
Use either ServletRequest#getRequestDispatcher() and then RequestDispatcher#forward() to ...
