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What is the Java string pool and how is “s” different from new String(“s”)? [duplicate]
...code points identical to that given by the CONSTANT_String_info structure, then the result of string literal derivation is a reference to that same instance of class String.
Otherwise, a new instance of class String is created containing the sequence of Unicode code points given by the CONSTANT_St...
Best introduction to C++ template metaprogramming? [closed]
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Veldhuizen's original papers were good. If you up for a whole book, then there's Vandevoorde's book "C++ Templates Complete Guide". And when you're ready for the master's course, try Alexandrescu's Modern C++ Design.
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What is makeinfo, and how do I get it?
... Blow away your source and unpack it again from the tarball. run configure then make.
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jQuery count child elements
...:
var count = $("#selected li").length;
If you have to use .children(), then it's like this:
var count = $("#selected ul").children().length;
You can test both versions here.
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How can I get the MD5 fingerprint from Java's keytool, not only SHA-1?
...the upper hand right side near the corner of the screen of Android Studio. Then click on the name of the app(e.g android123(root): it should appear like this). After that, you will find a subfolder named android and clicking on it go for the signingReport.It should run in the console and should show...
test if event handler is bound to an element in jQuery [duplicate]
... I'd add that if you need to attach an event that only runs once and then removes itself, use the one() method. $("body").one("click",function(){ alert('test');});
– Daniel Katz
Sep 9 '14 at 11:58
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Most lightweight way to create a random string and a random hexadecimal number
...s one call to the random module, doesn't have to build or read a list, and then does the rest with string formatting.
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Convert base-2 binary number string to int
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If you wanna know what is happening behind the scene, then here you go.
class Binary():
def __init__(self, binNumber):
self._binNumber = binNumber
self._binNumber = self._binNumber[::-1]
self._binNumber = list(self._binNumber)
self._x = [1]
self._count = 1...
Include all existing fields and add new fields to document
... This seems to be the best current solution, as you can (at least in JS) then use the spread operator to rebuild your original object with the new custom_field attached. const newObj = { ...result.document, custom_field: result.custom_field }
– ffritz
Mar 13 ...
“SetPropertiesRule” warning message when starting Tomcat from Eclipse [duplicate]
...ion page go to server options page.
Check Serve module without publishing.
Then save the page and configurations.
Restart the server by rebuild all the applications.
You will not get any this kind of error.
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