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Writing a list to a file with Python
... single function call, at least remove the square brackets [], so that the strings to be printed get made one at a time (a genexp rather than a listcomp) -- no reason to take up all the memory required to materialize the whole list of strings.
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Proper indentation for Python multiline strings
What is the proper indentation for Python multiline strings within a function?
14 Answers
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What's the magic of “-” (a dash) in command-line parameters?
.../home | aescrypt -e -p apples -o backup_files.tar.aes - because the piping char | should make the presence of the last dash unnecessary. But without the last dash the command fails. Sounds illogical. Can someone please give me a reference where the naked dash meaning in command lines is explained. I...
Input and Output binary streams using JERSEY?
...roduces({"image/png"})
public Response getAsImage(@PathParam("externalId") String externalId,
@Context Request request) throws WebApplicationException {
ByteArrayOutputStream stream = new ByteArrayOutputStream();
// do something with externalId, maybe retrieve an object from the
...
What's the Hi/Lo algorithm?
...de from anything else, it means you can easily make parent/child relationships and have the keys all in place before you do any inserts, which makes batching them simpler.
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Removing duplicate values from a PowerShell array
...put:
Apples
Banana
This uses the Property parameter to first Trim() the strings, so extra spaces are removed and then selects only the -Unique values.
More info on Sort-Object:
Get-Help Sort-Object -ShowWindow
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image processing to improve tesseract OCR accuracy
...nto text. The quality of the documents ranges wildly, and I'm looking for tips on what sort of image processing might improve the results. I've noticed that text that is highly pixellated - for example that generated by fax machines - is especially difficult for tesseract to process - presumably al...
Calling remove in foreach loop in Java [duplicate]
...while iterating over it you should use an Iterator.
For example:
List<String> names = ....
Iterator<String> i = names.iterator();
while (i.hasNext()) {
String s = i.next(); // must be called before you can call i.remove()
// Do something
i.remove();
}
From the Java Documenta...
Different ways of loading a file as an InputStream
... to the package of the class you are calling it from. For example calling, String.class.getResourceAsStream("myfile.txt") will look for a file in your classpath at the following location: "java/lang/myfile.txt". If your path starts with a /, then it will be considered an absolute path, and will star...
String representation of an Enum
...pattern.
public sealed class AuthenticationMethod {
private readonly String name;
private readonly int value;
public static readonly AuthenticationMethod FORMS = new AuthenticationMethod (1, "FORMS");
public static readonly AuthenticationMethod WINDOWSAUTHENTICATION = new Authenti...