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W3Schools.com and I'm pretty sure I remember seeing W3C.org state that <menu> should be used for Toolbar menus and listing form control commands. ...
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How to draw vertical lines on a given plot in matplotlib?

... The standard way to add vertical lines that will cover your entire plot window without you having to specify their actual height is plt.axvline import matplotlib.pyplot as plt plt.axvline(x=0.22058956) plt.axvline(x=0.33088437) p...
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System.Timers.Timer vs System.Threading.Timer

I have been checking out some of the possible timers lately, and System.Threading.Timer and System.Timers.Timer are the ones that look needful to me (since they support thread pooling). ...
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C/C++ check if one bit is set in, i.e. int variable

... there such a way to check if bit 3 in temp is 1 or 0 without bit shifting and masking. 21 Answers ...
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Scope of sessionStorage and localStorage

I read some documentation on sessionStorage and localStorage, but I don't understand what the scope is: the domain, a specific page? ...
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When do you use Java's @Override annotation and why?

What are the best practices for using Java's @Override annotation and why? 27 Answers ...
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Which is better, return value or out parameter?

...g")); (Indeed, that's one of the problems with property setters as well, and it's why the builder pattern uses methods which return the builder, e.g. myStringBuilder.Append(xxx).Append(yyy).) Additionally, out parameters are slightly harder to use with reflection and usually make testing harder t...
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Python serialization - Why pickle?

...le. Then, in another script, you could load from this file into a variable and the dictionary would be recreated: with open('filename','rb') as f: var = pickle.load(f) Another use for pickling is if you need to transmit this dictionary over a network (perhaps with sockets or something.) You f...
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Maven build failed: “Unable to locate the Javac Compiler in: jre or jdk issue”

... You could try updating the JDK Eclipse is using, as follows: Add and set the JRE in menu Window → Preferences... → Java → Installed JREs: JRE type: Standard VM JRE Name: jdk1.6.0_18 JRE home directory: C:\Program Files (x86)\Java\jdk1.6.0_18 If this is not the case, it's possible ...
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When does invoking a member function on a null instance result in undefined behavior?

... Both (a) and (b) result in undefined behavior. It's always undefined behavior to call a member function through a null pointer. If the function is static, it's technically undefined as well, but there's some dispute. The first thin...