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How can I remove all objects but one from the workspace in R?

... Likewise, click the Name box, which selects all the files, and then deselect all the files you want to keep. – Stephen Dec 27 '17 at 15:18 ...
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Can jQuery provide the tag name?

... Assume the following: You don't just have a small selection of possible tags, but it could be any of 100+ html tags. Then you'd need to write: $(this).is('sometag') a 100+ times. I assume this is why some people downvoted your answer. – ximi ...
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What is the correct XPath for choosing attributes that contain “foo”?

...ttribute::prop, as attribute is another search axis. Alternatively you can select the first 3 by using the position() function. share | improve this answer | follow ...
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Include only certain file types when searching in Visual Studio

...ite helpful. Notice how I use *.cs* instead of *.c* since the latter would select jquery custom files such as jquery.custom1234.js (which I usually use in most of my projects), of course if you don't you could just use *.c*. ...
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The definitive guide to form-based website authentication [closed]

... A cryptographic hash should not be used for password storage because user-selected passwords are not strong enough (i.e. do not usually contain enough entropy) and a password guessing attack could be completed in a relatively short time by an attacker with access to the hashes. This is why KDFs are...
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Generate 'n' unique random numbers within a range [duplicate]

... You could use the random.sample function from the standard library to select k elements from a population: import random random.sample(range(low, high), n) In case of a rather large range of possible numbers, you could use itertools.islice with an infinite random generator: import itertools...
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Is there any boolean type in Oracle databases?

...l (boolc char(1), booln number(1)); insert into testbool values ('Y', 1 ); select dump(boolc), dump(booln) from testbool; That CHAR is stored: Typ=96 Len=1: 89 and that NUMBER: Typ=2 Len=2: 193,2 At least in 12c, NUMBER(1) can use 2 bytes... – phil_w Apr 19 '1...
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Get yesterday's date using Date [duplicate]

...ta between two dates. You don't need to run it for each day may be pick up selective corner dates (1st Jan, 1st Mar, 28 or 29th Feb) – Jigar Joshi Feb 20 '18 at 19:15 add a co...
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jQuery dot in ID selector? [duplicate]

... Use the escaping rules from the jQuery selectors API as follows: $('#root\\.SomeCoolThing') From the docs: To use any of the meta-characters (such as !"#$%&'()*+,./:;<=>?@[\]^`{|}~) as a literal part of a name, it must be escaped with with...
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Open the start page in Visual Studio after closing a project?

...ow up after closing a solution, even if At startup: Show Start Page is not selected. – HaveSpacesuit Mar 9 '17 at 17:20 1 ...