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What is meant by Resource Acquisition is Initialization (RAII)?
What is meant by Resource Acquisition is Initialization (RAII)?
7 Answers
7
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Android file chooser [closed]
...e a file uploader. And I hence I need a file chooser but I don't want to write this by myself. I find OI file manager and I think it suits me.
But how can I force user to install OI file manager?
If I cannot , is there a better way to include a file manager in my app?
Thx
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How to use a servlet filter in Java to change an incoming servlet request url?
...he 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 forward the request/response to the new URL (server-s...
How do I add 1 day to an NSDate?
Basically, as the title says. I'm wondering how I could add 1 day to an NSDate .
28 Answers
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How do I delete all messages from a single queue using the CLI?
...om a single queue using the cli?
I have the queue name and I want to clean it.
9 Answers
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Rails 4 LIKE query - ActiveRecord adds quotes
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Your placeholder is replaced by a string and you're not handling it right.
Replace
"name LIKE '%?%' OR postal_code LIKE '%?%'", search, search
with
"name LIKE ? OR postal_code LIKE ?", "%#{search}%", "%#{search}%"
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How do I check if a type is a subtype OR the type of an object?
To check if a type is a subclass of another type in C#, it's easy:
5 Answers
5
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Setting variable to NULL after free
...ing against dangling pointer bugs. If a dangling pointer is accessed after it is freed, you may read or overwrite random memory. If a null pointer is accessed, you get an immediate crash on most systems, telling you right away what the error is.
For local variables, it may be a little bit pointless...
The preferred way of creating a new element with jQuery
... your question.
Another good practice is prefixing your jQuery variables with $:
Is there any specific reason behind using $ with variable in jQuery
Placing quotes around the "class" property name will make it more compatible with less flexible browsers.
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Converting JSON String to Dictionary Not List
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Your JSON is an array with a single object inside, so when you read it in you get a list with a dictionary inside. You can access your dictionary by accessing item 0 in the list, as shown below:
json1_data = json.loads(json1_str)[0]
Now you can ...