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How can I install a local gem?
If I download a .gem file to a folder in my computer, can I install it later using gem install ?
9 Answers
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How to go about formatting 1200 to 1.2k in java
...cient than a previous solution I wrote that was using arrays and was more difficult to read.
private static final NavigableMap<Long, String> suffixes = new TreeMap<> ();
static {
suffixes.put(1_000L, "k");
suffixes.put(1_000_000L, "M");
suffixes.put(1_000_000_000L, "G");
suffixes...
How do you do a case insensitive search using a pattern modifier using less?
...e of less that I found is starting it with +F as an argument (or hitting SHIFT+F while in less). This causes it to follow the file you've opened, in the same way that tail -f <file> will. Very handy if you're watching log files from an application, and are likely to want to page back up (if it...
How to use the “required” attribute with a “radio” input field
...every radio button field need the attribute like below or is it sufficient if only one field gets it?
5 Answers
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How to make a JTable non-editable
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While the approach you specify works, there is no such method as isEditable in the AbstractTableModel. What exists is the method isCellEditable(int,int) which takes rowIndex and coulmnIndex as parameters. The user can selectively enable/disable editing...
How to tell Jackson to ignore a field during serialization if its value is null?
How can Jackson be configured to ignore a field value during serialization if that field's value is null.
19 Answers
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NSIS学习笔记（持续更新） - C/C++ - 清泛网 - 专注C/C++及内核技术
...en(szComponent);
// make a little change to input parameter
// below shift a unit character.
for (int i = 0; i < len; ++i)
szComponent[i] += 1;
// push back on the stack
pushstring(szComponent);
}
/*
nsMessageBoxPlugin::myFunction "abcdefg[来自NSIS的中文测试]"
Pop $0
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How to hide output of subprocess in Python 2.7
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micro neat picks: you could use os.devnull if subprocess.DEVNULL is not available (<3.3), use check_call() instead of call() if you don't check its returned code, open files in binary mode for stdin/stdout/stderr, usage of os.system() should be discouraged, &&g...
What's the difference of “./configure” option “--build”, “--host” and “--target”?
... --build , --host and --target . I'm confusing their roles. What's the difference and semantics of them?
2 Answers
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In C# what is the difference between a destructor and a Finalize method in a class?
What is the difference, if there is one, between a destructor and a Finalize method in a class?
3 Answers
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