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Visual Studio keyboard shortcut to display IntelliSense
...05 and Visual Studio 2008 to display the IntelliSense box if one accidentally hits ESC and wants the box come back again?
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Why do Chrome and IE put “Mozilla 5.0” in the User-Agent they send to the server? [duplicate]
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See: user-agent-string-history
It all goes back to browser sniffing and making sure that the browsers are not blocked from getting content they can support. From the above article:
And Internet Explorer supported frames, and yet was not Mozilla, and so wa...
jQuery: outer html() [duplicate]
...t as of April 2015, SVG elements still don't have an outerHTML property in all browsers, see: stackoverflow.com/a/20559830/656010
– Tom Wayson
Apr 30 '15 at 15:42
4
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CSS rule to apply only if element has BOTH classes [duplicate]
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Below applies to all tags with the following two classes
.abc.xyz {
width: 200px !important;
}
applies to div tags with the following two classes
div.abc.xyz {
width: 200px !important;
}
If you wanted to modify this using jQuery...
Working with UTF-8 encoding in Python source [duplicate]
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Is this needed for python3? I know python3 assumes all literals within the code are unicode. But does it assume the source files are also written in utf8?
– Ricardo Cruz
Jun 28 '16 at 23:58
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How to format code in Xcode? [duplicate]
...ant to format and then press Ctrl+I.
Use Cmd+A first if you wish to format all text in the selected file.
Note: this procedure only re-indents the lines, it does not do any advanced formatting.
In XCode 12 beta:
The new key binding to re-indent is Option+I.
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How to calculate the intersection of two sets? [duplicate]
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Use the retainAll() method of Set:
Set<String> s1;
Set<String> s2;
s1.retainAll(s2); // s1 now contains only elements in both sets
If you want to preserve the sets, create a new set to hold the intersection:
Set<String&g...
Double negation (!!) in javascript - what is the purpose? [duplicate]
...ue
null to true
+0 to true
-0 to true
'' to true
NaN to true
false to true
All other expressions to false
Then the other ! negates it again. A concise cast to boolean, exactly equivalent to ToBoolean simply because ! is defined as its negation. It’s unnecessary here, though, because it’s only ...
How to upgrade R in ubuntu? [closed]
I have R 2.12.1 installed in my ubuntu, and I'd like upgrade to lastest version 2.15, how can achieve that ? Thanks
1 Answ...
Eclipse reported “Failed to load JNI shared library” [duplicate]
...f you're unsure of what version (64-bit or 32-bit) of Eclipse you have installed, you can determine that a few different ways. See How to find out if an installed Eclipse is 32 or 64 bit version?
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