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Difference between window.location.href=window.location.href and window.location.reload()
....location.reload(true) the browser will skip the cache and reload the page from the server. window.location.reload(false) will do the opposite, and load the page from cache if possible.
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impr...
What is the difference between Integer and int in Java?
... and therefore doesn't have any methods.
Integer is a class, no different from any other in the Java language. Variables of type Integer store references to Integer objects, just as with any other reference (object) type. Integer.parseInt("1") is a call to the static method parseInt from class Inte...
What's the complete range for Chinese characters in Unicode?
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I learned that CJK Unified Ideographs Extension A is from 3400 to 4dbf rather than 3400 to 4dff.
– Lerner Zhang
Dec 15 '16 at 2:11
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Fragments onResume from back stack
...cation mechanism Creating event callbacks to the activity. To quote a line from it:
A good way to do that is to define a callback interface inside the fragment and require that the host activity implement it. When the activity receives a callback through the interface, it can share the informati...
Circle drawing with SVG's arc path
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I know it's a bit late in the game, but I remembered this question from when it was new and I had a similar dillemma, and I accidently found the "right" solution, if anyone is still looking for one:
<path
d="
M cx cy
m -r, 0
a r,r 0 1,0 (r * 2),0
a r,r 0 1,0 -(r * 2)...
Should composer.lock be committed to version control?
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Ok but imagine if I update the libraries from the production environment, composer.lock will be overwritten so a next pull from the production will ask me to merge this file...
– Pierre de LESPINAY
Oct 15 '12 at 13:45
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Generating random integer from a range
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Thanks, this seems to be good enough for me from quick tests - its distribution for the -1, 0, 1 is nearly 33:33:33.
– Matěj Zábský
Feb 15 '11 at 20:23
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Android destroying activities, killing processes
...e.
If an activity is paused or stopped, the system can drop the activity from memory by either asking it to finish, or simply killing
its process. When it is displayed again to the user, it must be
completely restarted and restored to its previous state.
And, for the process lifecycle:
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Servlet for serving static content
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Though in order to serve content from a folder outside the app (I use it to server a folder from the disk, say C:\resources) I modified the this row: this.basePath = getServletContext().getRealPath(getInitParameter("basePath")); And replaced it with: this...
Comparing two dataframes and getting the differences
...asy way to add a flag to this to see which rows were removed/added/changed from df1 to df2?
– pyCthon
Nov 23 '15 at 20:07
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