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How to create unit tests easily in eclipse [closed]
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Anything is standard eclipse?
– GC_
Jun 24 at 21:56
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TypeError: unhashable type: 'dict'
...e the keys have to be hashable. As a general rule, only immutable objects (strings, integers, floats, frozensets, tuples of immutables) are hashable (though exceptions are possible). So this does not work:
>>> dict_key = {"a": "b"}
>>> some_dict[dict_key] = True
Traceback (most re...
Is it possible to roll back CREATE TABLE and ALTER TABLE statements in major SQL databases?
...cle Database 11g Release 2 and above - by default, no, but an alternative called edition-based redefinition exists
Older versions of Oracle - no; DDL causes an implicit commit
SQL Server - yes
Sybase Adaptive Server - yes
DB2 - yes
Informix - yes
Firebird (Interbase) - yes
SQLite also appears to h...
Javascript communication between browser tabs/windows [duplicate]
...h; i++) {
var c = ca[i];
while (c.charAt(0)==' ') c = c.substring(1,c.length);
if (c.indexOf(cname) == 0) {
return c.substring(cname.length, c.length);
}
}
return null;
}
function updateMessage() {
var text = getCookie();
document.forms['re...
How to do a logical OR operation in shell scripting
...
else
echo "bar"
fi
I don't think sh supports "==". Use "=" to compare strings and -eq to compare ints.
man test
for more details.
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Git diff output to file preserve coloring
...ion and open it in Notepad++ or Vim or SublimeText.
git diff > 20150203_someChanges.diff
Thanks @Monsingor
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Adding div element to body or document in JavaScript
...unnecessary computation because the browser needs to parse the 'something' string and that takes a lot in a big page. A much more performant approach is to create the new element and attach it to the DOM. Check this comparision on jsperf: jsperf.com/innerhtml-vs-appendchild2
– ...
Inserting HTML elements with JavaScript
...The very purpose of this question is to be able to directly insert HTML as strings instead of playing around with functions to construct it, attrib by attrib, node by node, element by element.
– TheFlash
May 2 '09 at 14:11
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Java Generics: Cannot cast List to List? [duplicate]
... tried a standalone Java class that had: 1. List x = new ArrayList<String>(); 2. List<Object> x = new ArrayList<String>(); #1 compiles fine but #2 gives an error: incompatible types found : java.util.ArrayList<java.lang.String> required: java.util.List<java.lan...
Difference between PCDATA and CDATA in DTD
...ction is a portion of element
(#PCDATA) content delimited with
special strings: to close it. If you
remember that PCDATA is "parsed
character data," a CDATA section is
literally the same thing, without the
"parsed." Parsers transmit the content
of a marked section to downstream
appl...