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Android Bitmap to Base64 String
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I have fast solution. Just create a file ImageUtil.java
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.util.Base64;
import java.io.ByteArrayOutputStream;
public class ImageUtil
{
public static Bitmap convert(String base64Str) throw...
How many classes should I put in one file? [closed]
I'm used to the Java model where you can have one public class per file. Python doesn't have this restriction, and I'm wondering what's the best practice for organizing classes.
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How to convert .pfx file to keystore with private key?
...wing two commands convert the pfx file to a format that can be opened as a Java PKCS12 key store:
openssl pkcs12 -in mypfxfile.pfx -out mypemfile.pem
openssl pkcs12 -export -in mypemfile.pem -out mykeystore.p12 -name "MyCert"
NOTE that the name provided in the second command is the alias of your...
How to do a JUnit assert on a message in a logger
I have some code-under-test that calls on a Java logger to report its status.
In the JUnit test code, I would like to verify that the correct log entry was made in this logger. Something along the following lines:
...
Ways to implement data versioning in MongoDB
...s actually used. Is it something that lives withing Mongo somehow? It is a Java library? Is it merely a way of thinking about the problem? No idea and no hints are given.
– ftrotter
Feb 6 '13 at 6:41
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Why should casting be avoided? [closed]
...ast "down" the hierarchy isn't necessarily safe so it's done dynamically.
Java and C# are much more similar to each other. In particular, with both of them casting is (virtually?) always a run-time operation. In terms of the C++ cast operators, it's usually closest to a dynamic_cast in terms of wha...
Is there any way to enforce typing on NSArray, NSMutableArray, etc.?
...Cocoa programmers' just don't know what they're missing -- experience with Java shows that type variables improve code comprehension and make more refactorings possible.
– tgdavies
Nov 4 '10 at 16:52
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How can I use different certificates on specific connections?
A module I'm adding to our large Java application has to converse with another company's SSL-secured website. The problem is that the site uses a self-signed certificate. I have a copy of the certificate to verify that I'm not encountering a man-in-the-middle attack, and I need to incorporate this...
CoffeeScript on Windows?
...running on Windows. I'd try that first.
If you have a different preferred JavaScript runtime, you can probably use the prebuilt-compiler (extras/coffee-script.js). For example, if you include that script on a webpage, you can call
CoffeeScript.compile(code);
... to get back the compiled JavaScr...
Build project into a JAR automatically in Eclipse
I have an Eclipse project where I want to keep my Java project built into a JAR automatically. I know I have an option to export the project into a JAR; if I do a right click; but what I am really looking for is, that like Eclipse automatically builds a project's .class files and put them in targe...