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Find a class somewhere inside dozens of JAR files?
...ed from the output of the jar command, for the given class name; this will set ERRORLEVEL to 1 iff there's a match (otherwise 0).
&& echo %G - iff ERRORLEVEL is non-zero, write the Java archive file name to standard output (the console).
Web
Use a search engine that scans JAR files.
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Python Matplotlib Y-Axis ticks on Right Side of Plot
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For right labels use ax.yaxis.set_label_position("right"), i.e.:
f = plt.figure()
ax = f.add_subplot(111)
ax.yaxis.tick_right()
ax.yaxis.set_label_position("right")
plt.plot([2,3,4,5])
ax.set_xlabel("$x$ /mm")
ax.set_ylabel("$y$ /mm")
plt.show()
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UITextView that expands to text using auto layout
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The view containing UITextView will be assigned its size with setBounds by AutoLayout. So, this is what I did. The superview is initially set up all the other constraints as they should be, and in the end I put one special constraint for UITextView's height, and I saved it in an instanc...
Class method decorator with self arguments?
...eded to build a simple method decorator that incremented a self.id on a subset of the methods in a class, and only those methods in a class that had the "@" decoration syntax applied to it. That Syntactic Sugar pays it forward to my Future Self, as compared to stackoverflow.com/a/56322968/257924 wh...
How do I use FileSystemObject in VBA?
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Within Excel you need to set a reference to the VB script run-time library.
The relevant file is usually located at \Windows\System32\scrrun.dll
To reference this file, load the
Visual Basic Editor (ALT+F11)
Select Tools > References from the dr...
Scala: What is a TypeTag and how do I use it?
...la compiler will get rid of deprecated features at some point, to make the set of available features more orthogonal. This is why I like the new macros support because it provides the potential for cleaning up the language, separating some of the features in independent libraries that are not part o...
How can I pass selected row to commandLink inside dataTable or ui:repeat?
...d}" />
</h:commandLink>
If your bean is request scoped, let JSF set it by @ManagedProperty
@ManagedProperty(value="#{param.id}")
private Long id; // +setter
Or if your bean has a broader scope or if you want more fine grained validation/conversion, use <f:viewParam> on the target...
What are the primary differences between Haskell and F#? [closed]
...code can often be better optimised by the compiler in an "enforced purity" setting, because the F# compiler has to assume that calls have side effects. You're talking about rewriting the code to use a different algorithm (one which depends on side effects); I'm taking about the "optimisability" of p...
How to duplicate sys.stdout to a log file?
...t is the best way to accomplish logging when a python app is making a lot of system calls?
17 Answers
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Show an image preview before upload
...he FileReader class to read an image as DataURL and renders a thumbnail by setting the src attribute of an image tag to a data URL:
The html code:
<input type="file" id="files" />
<img id="image" />
The JavaScript code:
document.getElementById("files").onchange = function () {
v...