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What is PostgreSQL explain telling me exactly?
...one clear example. Here's the same query from before but now containing an ORDER BY clause:
EXPLAIN SELECT * FROM post ORDER BY body LIMIT 50;
Limit (cost=23283.24..23283.37 rows=50 width=422)
-> Sort (cost=23283.24..23859.27 rows=230412 width=422)
Sort Key: body
-> Seq...
Can I install/update WordPress plugins without providing FTP access?
...file permissions set up on your webserver.
It will try various methods in order, and fall back on FTP if Direct and SSH methods are unavailable.
https://github.com/WordPress/WordPress/blob/4.2.2/wp-admin/includes/file.php#L912
WordPress will try to write a temporary file to your /wp-content direc...
Returning value from Thread
...DownLatch. The value array creation happens-before uiThread start (program order rule) which synchronizes-with the assignment of 2 to value[0] (thread start) which happens-before latch.countDown() (program order rule) which happens-before latch.await() (guarantee from CountDownLatch) which happens-b...
Any good, visual HTML5 Editor or IDE? [closed]
... feature, I wish to have IDE that aware of HTML5 API like Web Storage API etc, when I type window <dot>, the sessionStorage and localStorage etc object autocompletion do not appear...
– Lee Chee Kiam
Mar 15 '12 at 9:09
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How to define two angular apps / modules in one page?
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Have you tried to invert order of the 2 modules ?('otherModule' before 'app') Because, I use this solution a lot and it works perfectly...
– Monkey Monk
Mar 3 '15 at 17:05
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What is the difference between DSA and RSA?
... used both for encryption and digital signatures,
simply by reversing the order in which the exponents are used:
the secret exponent (d) to create the signature, the public exponent (e)
for anyone to verify the signature. Everything else is identical.
DSA (Digital Signature Algorithm)
DSA is ...
Prevent double submission of forms in jQuery
...ent so that duplicate submissions are harmless.
Eg, if the form creates an order, put a unique ID in the form. The first time the server sees an order creation request with that id, it should create it and respond "success". Subsequent submissions should also respond "success" (in case the client di...
Which iOS app version/build number(s) MUST be incremented upon App Store release?
... ...
Version (CFBundleShortVersionString) must be in ascending sequential order.
Build number (CFBundleVersion) must be in ascending sequential order.
Version Number and Build Number Checklist
Here are some things you can check when submitting a new build to the App Store. Making sure ...
Replacing all non-alphanumeric characters with empty strings
...e second one doesn't answer the question. What about characters like : / \ etc?
– WW.
Dec 29 '14 at 4:03
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EF Migrations: Rollback last applied migration?
...value. Likewise, if you have applied migrations A, B, C, D, and E (in that order), then the ordinal 1 should refer to A, ordinal 2 should refer to B, and so on. So to rollback to B you could use either:
Update-Database -TargetMigration:"B"
or
Update-Database -TargetMigration:2
Edit October 201...