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Checking for an empty field with MySQL
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I have same comment as Quassnoi's. I issue "select orig_id,hotline from normal_1952 where !(hotline > '')" and there's one record with null hotline but it doesn't match.I'm using MySQL 5.6
– Scott Chu
Apr 15 '16 at 10:16
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How do you beta test an iphone app?
...file
Start the Mac OS utility program Keychain Access.
In its main menu, select Keychain Access / Certificate Assistant / Request a Certificate From a Certificate Authority...
The dialog that pops up should aready have your email and name it it.
Select the radio button Saved to disk and Continue....
How do I select a merge strategy for a git rebase?
... },
onDemand: true,
discardSelector: ".discard-answer"
,immediatelyShowMarkdownHelp:true,enableSnippets:true
});
}
});
...
Convert form data to JavaScript object with jQuery
... @Marek, I did a test for here on jsfiddle. The trick is to name your select properly. <select name="foo" multiple="multiple"> will not work in any scenario. However, if you use [], as in <select name="bar[]" multiple="multiple">, it will work just fine :)
– ma...
How to get a complete list of ticker symbols from Yahoo Finance? [closed]
... similar by using this URL:
http://query.yahooapis.com/v1/public/yql?q=select%20*%20from%20yahoo.finance.industry%20where%20id%20in%20(select%20industry.id%20from%20yahoo.finance.sectors)&env=store%3A%2F%2Fdatatables.org%2Falltableswithkeys
It downloads a complete list of stock symbols usi...
How do I edit an incorrect commit message with TortoiseGit?
...to reset, amend and cherry-pick
Context menu -> TortoiseGit -> Log
Select the commit -> Context menu -> Reset
Hard Reset (this will discard all work contained in commits above the selected commit as well as any un-committed changes in the working directory)
OK
Follow above 1-4 steps to...
How to do an INNER JOIN on multiple columns
...n once by giving the joined tables an alias, as in the following example:
SELECT
airline, flt_no, fairport, tairport, depart, arrive, fare
FROM
flights
INNER JOIN
airports from_port ON (from_port.code = flights.fairport)
INNER JOIN
airports to_port ON (to_port.code = flights.tair...
What is PostgreSQL explain telling me exactly?
...ly 1 sentence of technical content: "• EXPLAIN works on any DML not just SELECT (ie UPDATE, DELETE, and INSERT)". My biggest misunderstanding is what "startup" time means, and that's not explained anywhere in these ~30 slides.
– Mark E. Haase
Feb 19 '16 at 15...
How to give ASP.NET access to a private key in a certificate in the certificate store?
...on @Phil Hale comment:
Beware, if you're on a domain, your domain will be selected by default in the 'from location box'. Make sure to change that to "Local Computer". Change the location to "Local Computer" to view the app pool identities.
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Values of disabled inputs will not be submitted
...lements support the disabled attribute: BUTTON, INPUT,
OPTGROUP, OPTION, SELECT, and TEXTAREA.
This attribute is inherited but local declarations override the
inherited value.
How disabled elements are rendered depends on the user agent. For
example, some user agents "gray out" disab...