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Why are arrays of references illegal?
...question about standard I can cite the C++ Standard §8.3.2/4:
There shall be no references to references, no arrays of references, and no pointers to references.
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Why does Java allow us to compile a class with a name different than the file name?
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The rationale is to allow more than one top-level class per .java file.
Many classes—such as event listeners—are of local use only and the earliest versions of Java did not support nested classes. Without this relaxation of the "filename = ...
Detect browser or tab closing
...closed. Also, the onbeforeunload is non-standard, so it's not supported by all browsers.
– Guffa
Oct 8 '10 at 8:45
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How to have Emacs auto-refresh all buffers when files have changed on disk?
...an my emacs buffers (en masse). Is there any way to tell emacs to refresh all the buffers from disk in one fell swoop, instead of having to do each one individually by reloading the file?
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Classpath including JAR within a JAR
...of) to do that. The first is One-Jar, which uses a special classloader to allow the nesting of jars. The second is UberJar, (or Shade), which explodes the included libraries and puts all the classes in the top-level jar.
I should also mention that UberJar and Shade are plugins for Maven1 and Mave...
'and' (boolean) vs '&' (bitwise) - Why difference in behavior with lists vs numpy arrays?
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and tests whether both expressions are logically True while & (when used with True/False values) tests if both are True.
In Python, empty built-in objects are typically treated as logically False while non-empty built-ins are logically True. This facilitates the c...
Find text string using jQuery?
...ains-selector/
One thing to note with the '*' wildcard is that you'll get all elements, including your html an body elements, which you probably don't want. That's why most of the examples at jQuery and other places use $('div:contains("I am a simple string")')
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Why is the .bss segment required?
...Imagine that your C program runs on an embedded system, where the code and all constants are saved in true ROM (flash memory). In such systems, an initial "copy-down" must be executed to set all static storage duration objects, before main() is called. It will typically go like this pseudo:
for(i=0...
Why is it impossible to build a compiler that can determine if a C++ function will change the value
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@mrsoltys, quantum computers are "only" exponentially faster for some problems, they can not solve undecidable problems.
– zch
Jul 1 '13 at 18:52
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Unstaged changes left after git reset --hard
... It's the * text=auto directive in the gitattributes file. It automatically changes file endings, so the files will automatically be marked as "modified" when you check the status.
– Cody Django
Feb 19 '15 at 22:24
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