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Replacing a char at a given index in string? [duplicate]
String does not have ReplaceAt() , and I'm tumbling a bit on how to make a decent function that does what I need. I suppose the CPU cost is high, but the string sizes are small so it's all ok
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How do I remove the last comma from a string using PHP?
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Also make sure you don't have any trailing space after the comma, otherwise this will fail, or do rtrim(trim($my_string), ',').
– Foxhoundn
Mar 3 '15 at 12:14
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Java: notify() vs. notifyAll() all over again
...otifyAll() " then a lot of explanations will pop up (leaving apart the javadoc paragraphs). It all boils down to the number of waiting threads being waken up: one in notify() and all in notifyAll() .
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jQuery, simple polling example
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function doPoll(){
$.post('ajax/test.html', function(data) {
alert(data); // process results here
setTimeout(doPoll,5000);
});
}
sha...
How to clone an InputStream?
I have a InputStream that I pass to a method to do some processing. I will use the same InputStream in other method, but after the first processing, the InputStream appears be closed inside the method.
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What does the Q_OBJECT macro do? Why do all Qt objects need this macro?
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From the Qt documentation:
The Meta-Object Compiler, moc, is the
program that handles Qt's C++
extensions.
The moc tool reads a C++ header file.
If it finds one or more class
declarations that contain the Q_OBJECT
macr...
How do I join two SQLite tables in my Android application?
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@necromancer how do you see creating a VIEW a better option than rawQuery?
– Muhammad Babar
Nov 24 '14 at 6:40
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C# 3.0 auto-properties — useful or not? [closed]
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Yes, it does just save code. It's miles easier to read when you have loads of them. They're quicker to write and easier to maintain. Saving code is always a good goal.
You can set different scopes:
public string PropertyName { get...
How do I format a long integer as a string without separator in Java?
... here will probably be more straight forward than trying to understand the documentation for MessageFormat :
6 Answers
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How do I restart nginx only after the configuration test was successful on Ubuntu?
...en a nginx configuration file has errors. On a multi-site server this puts down all the sites, even the ones without configuration errors.
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