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Reset select2 value and show placeholder

... I tried this with a <select multiple>, but I get the error: Option 'initSelection' is not allowed for Select2 when attached to a <select> element. – Sorin Postelnicu Dec 12 '14 at 11:36 ...
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Find index of last occurrence of a substring in a string

... recent call last): File "<stdin>", line 1, in <module> ValueError: substring not found The difference is when the substring is not found, rfind() returns -1 while rindex() raises an exception ValueError (Python2 link: ValueError). If you do not want to check the rfind() return cod...
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How to convert an ArrayList containing Integers to primitive int array?

...ve int[] with the following piece of code, but it is throwing compile time error. Is it possible to convert in Java? 18 Ans...
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Show constraints on tables command

...' referencing several foreign keys. No wonder the table got 1452 IntegrityError. – Vicky T Sep 5 '15 at 16:03 ...
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adding multiple entries to a HashMap at once in one statement

... After adding 10 entries, it throws strange error "can not resolve method", is this bug with this method ? – vikramvi Apr 2 at 7:56 3 ...
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How do I best silence a warning about unused variables?

... args) I can't write (void)args; or (void)args...; because both are syntax errors. – panzi May 18 '14 at 16:27  |  show 12 more comments ...
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App Inventor 2 浮点数与字节转换教程 · App Inventor 2 中文网

... } catch(e) { window.AppInventor.setWebViewString(JSON.stringify({error: e.message})); } } }, 50); App Inventor积木块 when Screen1.Initialize() { WebViewer1.HomeUrl = "file:///android_asset/float_converter.html" } // 浮点数转字节 procedure 浮点...
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How to discover number of *logical* cores on Mac OS X?

... Doesnt work on Early 2015 Mac running El Capitan. I get "error: "hw.ncpu" is an unknown key". There is no cpu related entry in /etc/sysctl.conf as well. Frozen Flame's answer worked. – TheGT Oct 5 '16 at 23:39 ...
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Cleaning up the iPhone simulator

...database in a specific state I was trying to do some consistent robustness/error handling on) share | improve this answer | follow | ...
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How do I concatenate two lists in Python?

...ed to previous versions in the 3.x family. In unsupported versions a SyntaxError is going to be raised. As with the other approaches, this too creates as shallow copy of the elements in the corresponding lists. The upside to this approach is that you really don't need lists in order to perform i...