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PHP: How to generate a random, unique, alphanum>me m>ric string for use in a secret link?
...secure alternative.
If you do not need it to be absolutely unique over tim>me m>:
md5(uniqid(rand(), true))
Otherwise (given you have already determined a unique login for your user):
md5(uniqid($your_user_login, true))
sha...
When use getOne and findOne m>me m>thods Spring Data JPA
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TL;DR
T findOne(ID id) (nam>me m> in the old API) / Optional<T> findById(ID id) (nam>me m> in the new API) relies on EntityManager.find() that performs an entity eager loading.
T getOne(ID id) relies on EntityManager.getReference() that performs an entit...
How to validate phone numbers using regex
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The formatting code is going to be a waste of tim>me m> if the numbers are allowed to com>me m> from outside the US.
– Daniel Earwicker
Jul 21 '09 at 12:13
26
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How do you create a read-only user in PostgreSQL?
...user can connect but has no other privileges. You have to grant USAGE on nam>me m>spaces (schemas) and SELECT on tables and views individually like so:
GRANT CONNECT ON DATABASE mydb TO xxx;
-- This assum>me m>s you're actually connected to mydb..
GRANT USAGE ON SCHEMA public TO xxx;
GRANT SELECT ON mytable ...
jQuery Ajax File Upload
Can I use the following jQuery code to perform file upload using POST m>me m>thod of an ajax request ?
24 Answers
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How does one change the language of the command line interface of Git?
...ese lines to your ~/.bashrc or ~/.bash_profile to force git to display all m>me m>ssages in English:
# Set Git language to English
#alias git='LANG=en_US git'
alias git='LANG=en_GB git'
The alias needs to override LC_ALL on som>me m> systems, when the environm>me m>nt variable LC_ALL is set, which has precedenc...
What good are SQL Server schemas?
... a schema, but what are they really used for in a typical SQL Server deploym>me m>nt?
12 Answers
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When to use IMG vs. CSS background-image?
...—JayTee
Use IMG (with alt text) when the image has an important semantic m>me m>aning, such as a warning icon. This ensures that the m>me m>aning of the image can be communicated in all user-agents, including screen readers.
Pragmatic uses of IMG
Use IMG plus alt attribute if the image
is part of the...
MongoDB vs. Cassandra [closed]
...rites
Both databases perform well on reads where the hot data set fits in m>me m>mory. Both also emphasize join-less data models (and encourage denormalization instead), and both provide indexes on docum>me m>nts or rows, although MongoDB's indexes are currently more flexible.
Cassandra's storage engine pr...
Are PHP include paths relative to the file or the calling code?
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It's relative to the main script, in this case A.php. Rem>me m>mber that include() just inserts code into the currently running script.
That is, does it matter which file the include is called from
No.
If you want to make it matter, and do an include relative to B.php, use the ...