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How to exit if a command failed?
...d up the following idiom:
echo "Generating from IDL..."
idlj -fclient -td java/src echo.idl
if [ $? -ne 0 ]; then { echo "Failed, aborting." ; exit 1; } fi
echo "Compiling classes..."
javac *java
if [ $? -ne 0 ]; then { echo "Failed, aborting." ; exit 1; } fi
echo "Done."
Precede each command w...
Remote debugging Tomcat with Eclipse
...tton available on eclipse toolbar.
In Debug configurations find "Remote Java Application" and double click on it.
In Name field enter any name which you like to.
From project field using browse button select the project which you want to perform remote debug.
The hostname is nothing but the ho...
Too many 'if' statements?
...
You don't need the assert, Java will throw an IndexOutOfBoundsException anyway if one or more indices are out of bounds.
– JAB
Mar 19 '14 at 11:55
...
The most efficient way to implement an integer based power function pow(int, int)
... @AkhilJain: It's perfectly good C; to make it valid also in Java, replace while (exp) and if (exp & 1) with while (exp != 0) and if ((exp & 1) != 0) respectively.
– Ilmari Karonen
Apr 8 '13 at 16:38
...
Why JSF saves the state of UI components on server?
...wing context param in web.xml:
<context-param>
<param-name>javax.faces.STATE_SAVING_METHOD</param-name>
<param-value>client</param-value>
</context-param>
It will then be serialized to an encrypted string in a hidden input field with the name javax.faces....
Sign APK without putting keystore info in build.gradle
...
The nice thing about Groovy is that you can freely mix Java code, and it's pretty easy to read in a key/value file using java.util.Properties. Perhaps there's an even easier way using idiomatic Groovy, but Java is still pretty simple.
Create a keystore.properties file (in this e...
Ideal way to cancel an executing AsyncTask
...
are you suggesting we use regular java thread and "abort" the thread run using volatile boolean variable - the conventional Java way?
– Samuh
Apr 29 '10 at 14:57
...
FileNotFoundException while getting the InputStream object from HttpURLConnection
...to send a post request to a url using HttpURLConnection (for using cUrl in java).
The content of the request is xml and at the end point, the application processes the xml and stores a record to the database and then sends back a response in form of xml string. The app is hosted on apache-tomcat lo...
Setting environment variables on OS X
...surround multiple values in quotes, see MAVEN_OPTS example below.
#
setenv JAVA_VERSION 1.6
setenv JAVA_HOME /System/Library/Frameworks/JavaVM.framework/Versions/1.6/Home
setenv GROOVY_HOME /Applications/Dev/groovy
setenv GRAILS_HOME /Applications/Dev/grails
setenv NEXUS_HOME /Applications/Dev/nexus...
Combining multiple @SuppressWarnings annotations - Eclipse Indigo
...for a list parameter. When using an SDK to run Eclipse (or when having the Java sources attached), you can simply hit F3 on any annotation to see its source declaration, thereby also seeing how many (and which) parameters it needs.
– Bananeweizen
Oct 25 '12 at ...