Tutorial by Topics: ion

Common Options--c --createCreate a new archive.-x --extractExtract files from an archive.-t --listList the contents of an archive.-f --file=ARCHIVEUse archive file or dir ARCHIVE.-v --verboseVerbosely list files processed.Compression Options--a --auto-compressUse archive suffix to determine the com...

SET TRANSACTION ISOLATION LEVEL { READ UNCOMMITTED | READ COMMITTED | REPEATABLE READ | SNAPSHOT | SERIALIZABLE } [ ; ] MSDN Reference: SET TRANSACTION ISOLATION LEVEL

A useful way to think about Mongo collections is in terms of Who, What, When, Where, Why, and How. Mongo has the following optimizations for different types of data: Where - GeoJSON When - ObjectID timestamps Who - Meteor Account Strings How - JSON for decision trees Which leaves the default...

RANGE partitioning. This type of partitioning assigns rows to partitions based on column values falling within a given range. LIST partitioning. Similar to partitioning by RANGE, except that the partition is selected based on columns matching one of a set of discrete values. HASH pa...

Troubleshootings : Could not connect to development server => Do this : adb reverse tcp:8081 tcp:8081, make sure that your phone is connected (adb devices). Verify also that there is a local server launched, if not run react-native start

/* all versions */ for ([expression]; [expression]; [expression]) one_statement for ([expression]; [expression]; [expression]) { zero or several statements } while (expression) one_statement while (expression) { zero or several statements } do one_statement while (expression); do { one o...

An assumption which pops up regularly is that when dealing with English text only, it’s unlikely to encounter characters outside the ASCII character set. To avoid problems with handling Unicode correctly, people are tempted to do things like stripping non-ASCII characters, or removing any accents ...

regexp ?switches? exp string ?matchVar? ?subMatchVar subMatchVar ...? regsub ?switches? exp string subSpec ?varName? This topic is not intended to discuss regular expressions themselves. There are many resources on the internet explaining regular expressions and tools to help build regul...

FusionCharts Suite XT is a JavaScript charting library that supports both, XML and JSON, for rendering interactive charts, gauges, and maps. The suite comes with 90+ charts and gauges (supporting standard and advanced configurations) and 1100+ maps. It also includes support for server-side wrapper...