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What is the use of hashCode in Java?
... not required that if two objects are unequal according to the equals(java.lang.Object) method, then calling the hashCode method on each of the two objects must produce distinct integer results. However, the programmer should be aware that producing distinct integer results for unequal objects may i...
Building a fat jar using maven
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If you get an "java.lang.SecurityException: Invalid signature file digest for Manifest main attributes" exception, then this addition to the above configuration section helps: stackoverflow.com/a/6743609/38368
– Danny Varod...
Why does Maven warn me about encoding?
...aracter encoding scheme to be applied when filtering resources.
Type: java.lang.String
Required: No
User Property: encoding
Default: ${project.build.sourceEncoding}
So this means you only need to define this property and the plugin will automatically use this encoding.
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Why charset names are not constants?
...r UTF-8, the canonical values are "UTF-8" for java.nio and "UTF8" for java.lang and java.io. The only encodings the spec requires a JRE to support are: US-ASCII; ISO-8859-1; UTF-8; UTF-16BE; UTF-16LE; UTF-16.
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Bytes of a string in Java
...ording to the String class Javadoc (docs.oracle.com/javase/6/docs/api/java/lang/String.html), "A String represents a string in the UTF-16 format...".
– entpnerd
Apr 12 '19 at 19:28
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Casting interfaces for deserialization in JSON.NET
...uctor with the [JsonConstructor] attribute.
– Dr Rob Lang
May 23 '16 at 12:49
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This is not fine...
Add custom headers to WebView resource requests - android
...ide WebViewClient.shouldInterceptRequest(android.webkit.WebView view, java.lang.String url) Check out API for more.
– yorkw
Feb 1 '13 at 3:21
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What is the most frequent concurrency issue you've encountered in Java? [closed]
... Java, the literal string "LOCK" turns out to be the same instance of java.lang.String (even though they are declared completely disparately from each other.) The result is obviously bad.
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Create table in SQLite only if it doesn't exist already
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From http://www.sqlite.org/lang_createtable.html:
CREATE TABLE IF NOT EXISTS some_table (id INTEGER PRIMARY KEY AUTOINCREMENT, ...);
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How do I convert Long to byte[] and back in java
...t is unnecessary but that's a wrong assumption. What if he is doing cross-language or cross-platform? DataOutputStream won't help you there.
– user1132959
May 12 '13 at 19:05
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