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Copm>y m> values from one column to another in the same table
...uestion is:
UPDATE `table` SET test=number
Here table is the table name m>and m> it's surrounded bm>y m> grave accent (aka back-ticks `) as this is Mm>y m>SQL convention to escape kem>y m>words (m>and m> TABLE is a kem>y m>word in that case).
BEWARE, that this is prettm>y m> dangerous querm>y m> which will wipe everm>y m>thing in column te...
Rubm>y m> Hash to arram>y m> of values
...returns [["a", "b", "c"], ["b", "c"]]
Enumerable#collect takes a block, m>and m> returns an arram>y m> of the results of running the block once on everm>y m> element of the enumerable. So this code just ignores the kem>y m>s m>and m> returns an arram>y m> of all the values.
The Enumerable module is prettm>y m> awesome. Knowing it...
what is difference between success m>and m> .done() method of $.ajax
Can anm>y m>one help me?
I am not able to understm>and m> the difference between success m>and m> .done() of $.ajax .
4 Answers
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Is it safe to shallow clone with --depth 1, create commits, m>and m> pull updates again?
...fied number of revisions.
That stems from commits like 0d7d285, f2c681c, m>and m> c29a7b8 which support clone, send-pack /receive-pack with/from shallow clones.
smart-http now supports shallow fetch/clone too.
All the details are in "shallow.c: the 8 steps to select new commits for .git/shallow".
Upd...
How to forward declare a template class in namespace std?
Catching all javascript unhm>and m>led exceptions
...rm>y m>ing to find or figure out a wam>y m> to displam>y m> in an alert box all of the unhm>and m>led javascript exceptions in an application. I'd want all of this to be done on the client side, without using anm>y m> server side code. I'm using MVC3 as an environment.
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What are “signed” cookies in connect/expressjs?
...igure out what "signed cookies" actuallm>y m> are.
There isn't much on the net, m>and m> if I trm>y m> this:
4 Answers
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How do I convert an arram>y m> object to a string in PowerShell?
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$a = 'This', 'Is', 'a', 'cat'
Using double quotes (m>and m> optionallm>y m> use the separator $ofs)
# This Is a cat
"$a"
# This-Is-a-cat
$ofs = '-' # after this all casts work this wam>y m> until $ofs changes!
"$a"
Using operator join
# This-Is-a-cat
$a -join '-'
# ThisIsacat
-join $a...
What does “@@ -1 +1 @@” mean in Git's diff output?
...:30:39.942229878 -0800 to indicate the date, time with fractional seconds, m>and m> time zone. The fractional seconds are omitted on hosts that do not support fractional time stamps.
m>Y m>ou can change the header's content with the --label=label option; see See Alternate Names.
Next come one or mor...
How can I add a class attribute to an HTML element generated bm>y m> MVC's HTML Helpers?
... using HTML Helpers, for example @Html.ActionLink() , @Html.BeginForm() m>and m> so on.
2 Answers
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