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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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Check image width and height before upload with Javascript
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function validateimg(ctrl) {
var fileUpload = $("#txtPostImg")[0];
var regex = new RegExp("([a-zA-Z0-9\s_\\.\-:])+(.jpg|.png|.gif)$");
if (regex.test(fileUpload.value.toLowerCase())) {
if (typeof (fileUpload.files) != "undefined") {
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git: abort commit in the middle of typing message
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Yes. Write the commit message to a different file (:w /some/other/path.txt). Then exit the editor without saving (:q!). If you previously saved the file to its original path, delete everything and write the empty file first (an empty commit message will abort the commit).
Now, when you're ready...
Replace a string in a file with nodejs
...ated!');
}
});
});
searchReplaceFile(/foo/g, 'bar', 'file.txt');
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PowerShell: Run command from script's directory
...can use Resolve-Path or Get-ChildItem:
$filepath = Resolve-Path "somefile.txt"
EDIT (based on comment from OP):
# temporarily change to the correct folder
Push-Location $folder
# do stuff, call ant, etc
# now back to previous directory
Pop-Location
There's probably other ways of achieving so...
How do I include a path to libraries in g++
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In your MakeFile or CMakeLists.txt you can set CMAKE_CXX_FLAGS as below:
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -I/path/to/your/folder")
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How can I remove non-ASCII characters but leave periods and spaces using Python?
I'm working with a .txt file. I want a string of the text from the file with no non-ASCII characters. However, I want to leave spaces and periods. At present, I'm stripping those too. Here's the code:
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Sublime Text from Command Line
...olic link with the new name. And now you can use it freely:
sublime hello.txt
Update: After having a chance to use this trick and update Sublime Text 2, I'm happy to say that updating to a new build doesn't affect the symbolic link.
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Character reading from file in Python
... read an encoded text file using the python 3 read method:
f = open (file.txt, 'r', encoding='utf-8')
text = f.read()
f.close()
With this variation, there is no need to import any additional libraries
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Getting a File's MD5 Checksum in Java
...nstance("MD5");
try (InputStream is = Files.newInputStream(Paths.get("file.txt"));
DigestInputStream dis = new DigestInputStream(is, md))
{
/* Read decorated stream (dis) to EOF as normal... */
}
byte[] digest = md.digest();
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