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Difference between style = “position:absolute” and style = “position:relative”
Can any one tell me the Difference between style = "position:absolute" and style = "position:relative" and how they differ in case I add it to div / span / input elements?
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What is a .h.gch file?
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A .gch file is a precompiled header.
If a .gch is not found then the normal header files will be used.
However, if your project is set to generate pre-compiled headers it will make them if they don’t exist and use them in the next build.
Sometimes the *.h.g...
Remove a symlink to a directory
...u need to tell it to delete a file, not delete a directory. I believe the difference between rm and rmdir exists because of differences in the way the C library treats each.
At any rate, the first should work, while the second should complain about foo being a directory.
If it doesn't work as abov...
CSS background image alt attribute
... Web browsers are available in a very wide variety of platforms with very different capacities; some cannot display images at all or only a restricted set of type of images; some can be configured to not load images. If your code has the alt attribute set in its images, most of these browsers will d...
Can I have H2 autocreate a schema in an in-memory database?
...two:
String url = "jdbc:h2:mem:test;" +
"INIT=CREATE SCHEMA IF NOT EXISTS TEST"
String url = "jdbc:h2:mem:test;" +
"INIT=CREATE SCHEMA IF NOT EXISTS TEST\\;" +
"SET SCHEMA TEST";
String url = "jdbc:h2:mem;" +
"INIT=RUNSCRIPT FROM '~/creat...
Are types like uint32, int32, uint64, int64 defined in any stdlib header?
I often see source code using types like uint32, uint64 and I wonder if they should be defined by the programmer in the application code or if they are defined in a standard lib header.
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How to create an array from a CSV file using PHP and the fgetcsv function
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@Thomas If you need an array of names, addresses, and statuses, you can just do what you're doing above: list($names[], $addresses[], $statuses[]) = $line;
– Dave DeLong
Aug 13 '09 at 3:09
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UIGestureRecognizer on UIImageView
...rInteractionEnabled still must be set to YES/true in Xcode 8 Objective-C/Swift
– leanne
Sep 5 '17 at 19:19
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show 2 more comments
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Ruby - elegantly convert variable to an array if not an array already
... the original use of to_a. For instance, {a: 1, b: 2}.each ... would work differently.
– sawa
Aug 21 '13 at 14:15
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Fast way to discover the row count of a table in PostgreSQL
I need to know the number of rows in a table to calculate a percentage. If the total count is greater than some predefined constant, I will use the constant value. Otherwise, I will use the actual number of rows.
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