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All combinations of a list of lists
...bit. I love how Python lets you put one semi-colon, just to help us ol' C/Java programmers. But it's clear ; is not really a statement terminator when you do something like print("foo");; which is perfectly legal in C or Java (albeit pointless) but banned in Python.
– Matthew...
Given final block not properly padded
...The reason is that the SecureRandom could be a different algorithm on each Java implementation, giving you a different key. The SecretKeyFactory does the key derivation in a defined manner (and a manner which is deemed secure, if you select the right algorithm).
Don't use ECB-mode. It encrypts each ...
What is the shortcut to Auto import all in Android Studio?
... to File -> Settings -> Editor -> General -> Auto Import -> Java and make the following changes:
change Insert imports on paste value to All
markAdd unambigious imports on the fly option as checked
On a Mac, do the same thing in Android Studio -> Preferences
After this, all ...
Initialising an array of fixed size in python [duplicate]
...oesn't waste space by padding its length. This is the Python equivalent of Java's
Object[] a = new Object[n];
If you're really interested in performance and space and know that your array will only store certain numeric types then you can change the dtype argument to some other value like int. Th...
How to convert a JSON string to a Map with Jackson JSON
... formulation from first principles. It's not so much weird as showing that Java is more complex than we might think.
– djna
Oct 30 '12 at 22:02
1
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Why do I get a “Null value was assigned to a property of primitive type setter of” error message whe
...n is replace primitive type with primitive wrapper class in your tableName.java file.
Such as:
@Column(nullable=true, name="client_os_id")
private Integer client_os_id;
public int getClient_os_id() {
return client_os_id;
}
public void setClient_os_id(int clientOsId) {
client_os_id = clien...
Best way to parseDouble with comma as decimal separator?
...
Use java.text.NumberFormat:
NumberFormat format = NumberFormat.getInstance(Locale.FRANCE);
Number number = format.parse("1,234");
double d = number.doubleValue();
...
Spring ApplicationContext - Resource leak: 'context' is never closed
...Context implements) does and extends Closeable to boot, so you can use the Java 7 try-with-resource paradigm.
– kbolino
Feb 3 '13 at 6:03
...
Where can I download IntelliJ IDEA Color Schemes? [closed]
... looks fantastic! Easy on the eyes. Also-- most themes seem designed for Java/Ruby, but I work mainly in Scala these days, and this one was designed specifically for Scala. I may even switch my Mac to this theme. Thanks!
– Dan Barowy
Sep 2 '11 at 1:34
...
Disable Logback in SpringBoot
... It doesn't work for me because if I add those exclusions I get: java.lang.ClassNotFoundException: org.apache.commons.logging.LogFactory.
– Ariel
Sep 15 '14 at 11:10
2
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