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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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Mongoose and multiple database in single node.js project
...ple. Connect to the default db (just like if you were using something like SQL Server) and then take advantage of useDb to target your DML at the appropriate database. (Very helpful for keeping your users in one db and your data in another.) No need to start making multiple connections when ultimate...
