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Mailto links do nothing in Chrome but work in Firefox?
It seems like the mailto links we're embedding in our website fail to do anything in Chrome, though they work in Firefox.
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What happens to an open file handle on Linux if the pointed file gets moved or deleted
What happens to an open file handle on Linux if the pointed file meanwhile gets:
7 Answers
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How to reset AUTO_INCREMENT in MySQL?
How can I reset the AUTO_INCREMENT of a field?
I want it to start counting from 1 again.
24 Answers
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How to make a vertical line in HTML
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Put a <div> around the markup where you want the line to appear to next, and use CSS to style it:
.verticalLine {
border-left: thick solid #ff0000;
}
<div class="verticalLine">
some other content
</div>
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How to get the system uptime in Windows? [closed]
I am using windows 7 and xp. I want to know the uptime of the system.
3 Answers
3
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What's the safest way to iterate through the keys of a Perl hash?
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The rule of thumb is to use the function most suited to your needs.
If you just want the keys and do not plan to ever read any of the values, use keys():
foreach my $key (keys %hash) { ... }
If you just want the values, use values():
foreach...
How do I create a constant in Python?
Is there a way to declare a constant in Python? In Java we can create constant values in this manner:
41 Answers
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Override compile flags for single files
I would like to use a global set of flags for compiling a project, meaning that at my top-level CMakeLists.txt file I have specified:
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When is SQLiteOpenHelper onCreate() / onUpgrade() run?
...ks are invoked when the database is actually opened, for example by a call to getWritableDatabase(). The database is not opened when the database helper object itself is created.
SQLiteOpenHelper versions the database files. The version number is the int argument passed to the constructor. In the d...
java.util.regex - importance of Pattern.compile()?
What is the importance of Pattern.compile() method?
Why do I need to compile the regex string before getting the Matcher object?
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