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Swift Programming: getter/setter in stored property
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var rank: Int = 0 {
didSet {
// Say 1000 is not good for you and 999 is the maximum you want to be stored there
if rank >= 1000 {
rank = 999
}
}
}
share
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Make xargs execute the command once for each line of input
...: space.txt: No such file or directory
A better solution is to use tr to convert newlines to null (\0) characters, and then use the xargs -0 argument. Here's an example:
echo "file with space.txt" | tr '\n' '\0' | xargs -0 ls
file with space.txt
If you then need to limit the number of calls yo...
How to prevent XSS with HTML/PHP?
...n saving or outputting client input.
HTML Encoding
htmlspecialchars will convert any "HTML special characters" into their HTML encodings, meaning they will then not be processed as standard HTML. To fix our previous example using this method:
<?php
echo '<div>' . htmlspecialchars($_GET[...
Remove Primary Key in MySQL
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Note that you have a composite PRIMARY KEY which covers all three columns and id is not guaranteed to be unique.
If it happens to be unique, you can make it to be a PRIMARY KEY and AUTO_INCREMENT again:
ALTER TABLE user_customer_permission MODIFY id INT NOT NULL PRIMARY KEY AUTO_INCREMENT;
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ListView addHeaderView causes position to increase by one?
Below is a code snippet with a ListView. I added an emptyView and a headerView. Adding the headerView causes the position in the onItemClick to be increased by one.
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Multiple arguments to function called by pthread_create()?
...way to do this is to define a struct, pass the function a pointer to that, and dereference it for the arguments. However, I am unable to get this to work:
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How to take all but the last element in a sequence using LINQ?
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ReSharper doesn't understand your code (assignment in conditional expression) but i kinda like it +1
– Иван Грозный
Dec 1 '16 at 0:12
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PHP Timestamp into DateTime
Do you know how I can convert this to a strtotime, or a similar type of value to pass into the DateTime object?
4 Answer...
C++虚继承的概念 - C/C++ - 清泛网 - 专注C/C++及内核技术
...4: public:
15: Base(){cout << "Base called..."<< endl;}
16: void print(){cout << "Base print..." <<endl;}
17: private:
18: };
19:
20: //Sub
21: class Sub //定义一个类 Sub
22: {
23: public:
24: Sub(){cout << "Sub called..." << endl;}
25: void print()...
How to add JTable in JPanel with null layout?
...cts of the code are:
There is a combo-box to change PLAF (Pluggable Look and Feel) at run-time.
The GUI is expandable to the user's need.
The image in the bottom of the split-pane is centered in the scroll-pane.
The label instances on the left are dynamically added using the button.
Nimbus PLAF
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