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recursively add file extension to all files
....jpg \;
Explanation: this recursively finds all files (-type f) starting from the current directory (.) and applies the move command (mv) to each of them. Note also the quotes around {}, so that filenames with spaces (and even newlines...) are properly handled.
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Base64 Java encode and decode a string [duplicate]
...e java.util.Base64. To have above code working, You have to import Base64 from org.apache.commons.codec.binary.Base64
– ChandraBhan Singh
Jun 19 '18 at 6:52
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Is the primary key automatically indexed in MySQL?
... whether a primary key is also an index. The pages linked to in the answer from @fyrye are more relevant.
– George Hawkins
Nov 16 '17 at 13:00
add a comment
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How do I tell Gradle to use specific JDK version?
... build jobs... I think Gradle really needs to pick the Java Home directory from the system's configuration!
– Markus L
Jul 20 '16 at 12:39
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Cross field validation with Hibernate Validator (JSR 303)
...h Hibernate Validator 4.1.0.Final I recommend using @ScriptAssert. Exceprt from its JavaDoc:
Script expressions can be written in any scripting or expression
language, for which a JSR 223 ("Scripting for the JavaTM Platform")
compatible engine can be found on the classpath.
Note: the evalu...
iOS Equivalent For Android Shared Preferences
...oaded into memory every time you open your app, whether you need something from it or not (other parts of your app will also use this).
Objective-C:
Reading:
NSUserDefaults *preferences = [NSUserDefaults standardUserDefaults];
NSString *currentLevelKey = @"currentlevel";
if ([preferences object...
How to disable HTML links
...Chrome, FireFox and Opera (19+). Internet Explorer started to support this from version 11 but not for links however it's available in an outer element like:
span.disable-links {
pointer-events: none;
}
With:
<span class="disable-links"><a href="#">...</a></span>
Wo...
Why use def main()? [duplicate]
... module.main(). If the code were just in the if block, it couldn't be run from elsewhere.
– FogleBird
Oct 28 '10 at 13:13
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How can mixed data types (int, float, char, etc) be stored in an array?
...lowing you to use them freely without worrying about segfault or anything. From the linked Wikipedia article above:
A significant example of the use of tagged pointers is the Objective-C runtime on iOS 7 on ARM64, notably used on the iPhone 5S. In iOS 7, virtual addresses are 33 bits (byte-aligned)...
Prevent tabstop on A element (anchor link) in HTML
Is it possible to cancel an <a href="..."> from being tabstopped in any browser? I would like to do this without Javascript.
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