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How to get names of classes inside a jar file?
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You can use Java jar tool. List the content of jar file in a txt file and you can see all the classes in the jar.
jar tvf jarfile.jar
-t list table of contents for archive
-v generate verbose output on standard output
-f specify archive file name
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Replace a string in a file with nodejs
...ated!');
}
});
});
searchReplaceFile(/foo/g, 'bar', 'file.txt');
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Allowed memory size of 33554432 bytes exhausted (tried to allocate 43148176 bytes) in php
... by bit. Try the following code for best practise.
$path = 'path_to_file_.txt';
$file = fopen($path, 'r');
$len = 1024; // 1MB is reasonable for me. You can choose anything though, but do not make it too big
$output = fread( $file, $len );
while (!feof($file)) {
$output .= fread( $file, $len ...
throws Exception in finally blocks
...l is not always redundant. Think of "resource = new FileInputStream("file.txt")" as the first line of the try. Also, this question was not about aspect oriented programing which many people do not use. However, the concept that the Exception should not be just ignored was most compactly handled b...
Correct Bash and shell script variable capitalization
..., and so I feel like everybody is always saying LOCATION=cat /tmp/location.txt
– JasonSmith
Mar 23 '09 at 16:38
@jhs -...
Paste in insert mode?
...al copy/paste. standards.freedesktop.org/clipboards-spec/clipboards-latest.txt
– amc
Feb 21 '13 at 6:42
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How do I make a JAR from a .java file?
... will want to specify a manifest, like so:
jar -cvfm myJar.jar myManifest.txt myApp.class
Which reads: "create verbose jarFilename manifestFilename", followed by the files you want to include. Verbose means print messages about what it's doing.
Note that the name of the manifest file you supply ...
Convert a Unicode string to a string in Python (containing extra symbols)
...code strings into UTF-8, use:
import codecs
f = codecs.open('path/to/file.txt','w','utf8')
f.write(my_unicode_string) # Stored on disk as UTF-8
Do note that anything else that is using these files must understand what encoding the file is in if they want to read them. If you are the only one doi...
Better way to check if a Path is a File or a Directory?
...or paths to non-existent files/folders. File.Exists("c:\\temp\\nonexistant.txt") should return false, as it does.
– michaelkoss
Jun 4 '12 at 14:27
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fastest (low latency) method for Inter Process Communication between Java and C/C++
...ode like this:
MappedByteBuffer mem =
new RandomAccessFile("/tmp/mapped.txt", "rw").getChannel()
.map(FileChannel.MapMode.READ_WRITE, 0, 1);
while(true){
while(mem.get(0)!=5) Thread.sleep(0); // waiting for client request
mem.put(0, (byte)10); // sending the reply
}
Notes: Thread.sleep(0...
