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How do I check in SQLite whether a table exists?
...sed that FAQ entry.
Anyway, for future reference, the complete query is:
SELECT name FROM sqlite_master WHERE type='table' AND name='{table_name}';
Where {table_name} is the name of the table to check.
Documentation section for reference: Database File Format. 2.6. Storage Of The SQL Database S...
How do i create an InstallShield LE project to install a windows service?
...after installation. To install service and start it, in solution explorer, select 3. Configure Target System > Services.
– Rajeev
Feb 17 '15 at 13:28
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Hash String via SHA-256 in Java
...hich adds quite a few new MessageDigests compared to the relatively paltry selection available in the JDK.
– mjuarez
Jul 27 '14 at 9:51
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XPath to select element based on childs child value
Trying to select an element based on the value of one of it's childrens childrens
1 Answer
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HTML: How to create a DIV with only vertical scroll-bars for long paragraphs?
...and also dont want to use my whole page. I just want to display my text in selected area and want to use only vertical scroll-bar to go down and read all text.
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Draw multi-line text to Canvas
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You can get the metrics for a selected character, e.g. font.measure("Y")
– GregD
Apr 10 at 18:41
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ORA-00054: resource busy and acquire with NOWAIT specified or timeout expired
...table is already locked by some query. For example, you may have executed "select for update" and have not yet committed/rollbacked and fired another select query. Do a commit/rollback before executing your query.
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How to return raw string with ApiController?
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Just return Ok(value) won't work, it will be treated as IEnumerable<char>.
Instead use return Ok(new { Value = value }) or simillar.
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Set the location in iPhone Simulator
...27.565370"> <name>MyOffice</name> </wpt> </gpx>
Select in Xcode at the Simulate area Add GPX File to Project...
Add created file from menu to project.
Now you can see your location in Simulate area:
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scala vs java, performance and memory? [closed]
...ing where your Scala example only does it once after the Strings have been selected? I.e. they are optimised in different ways for different data sets?
– Seth
May 9 '12 at 1:53
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