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Java Date vs Calendar
...rt time and end time, especially when you persist them in the database, as SQL is so peculiar with nulls).
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What's the Android ADB shell “dumpsys” tool and what are its benefits?
...Binders: 8
Death Recipients: 0
OpenSSL Sockets: 0
SQL
heap: 0 MEMORY_USED: 0
PAGECACHE_OVERFLOW: 0 MALLOC_SIZE: 0
If you want see the info for all processes, use ~$ adb shell dumpsys meminfo
dumpsys is ultimate...
How to store a dataframe using Pandas
...ed there are different options and file formats (HDF5, JSON, CSV, parquet, SQL) to store a data frame. However, pickle is not a first-class citizen (depending on your setup), because:
pickle is a potential security risk. Form the Python documentation for pickle:
Warning The pickle module is n...
What is LDAP used for?
...e function of a directory, not of LDAP. That's like saying the function of SQL is to provide a database; it isn't; directories provide LDAP access, not the other way around.
– blowdart
Oct 27 '08 at 9:53
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What is JAXB and why would I use it? [closed]
...ses and bindings it likes with XSD schemas...now, if only it stopped using SQL date by default, and used Java util Date instead...
– MetroidFan2002
Mar 4 '09 at 4:15
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LINQ Single vs First
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In the SQL they produce First() does TOP 1 and Single() does TOP 2 if I'm not mistaken.
– Matthijs Wessels
Mar 30 '11 at 7:57
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List distinct values in a vector in R
...ector where the values are replicative? I mean, similarly to the following SQL statement:
5 Answers
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PostgreSQL, checking date relative to “today”
...-09-22', now() ) will return -1 years -7 days -10:56:18.274131
See postgresql documentation
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Are there any JavaScript static analysis tools? [closed]
...ulnerabilities, including:
DOM-based XSS
JavaScript injection
Client-side SQL injection
WebSocket hijacking
Local file path manipulation
DOM-based open redirection
Cookie manipulation
Ajax request header manipulation
DOM-based denial of service
Web message manipulation
HTML5 storage manipulation
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NoSQL (MongoDB) vs Lucene (or Solr) as your database
With the NoSQL movement growing based on document-based databases, I've looked at MongoDB lately. I have noticed a striking similarity with how to treat items as "Documents", just like Lucene does (and users of Solr).
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