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What should main() return in C and C++?
...members argv[0] through
argv[argc-1] inclusive shall contain pointers to strings, which are given
implementation-defined values by the host environment prior to program startup. The
intent is to supply to the program information determined prior to program startup
from elsewhere in the hoste...
Append values to a set in Python
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If you add a string with update, it will add one item per character in your string because it's an iterable!
– hgolov
Feb 7 '18 at 9:56
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Return a value if no rows are found in Microsoft tSQL
...1) > 0 THEN 1 ELSE 0 END AS [Value]
FROM Sites S
WHERE S.Id = @SiteId and S.Status = 1 AND
(S.WebUserId = @WebUserId OR S.AllowUploads = 1)
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How to run a class from Jar which is not the Main-Class in its Manifest file
...lass.
Example:
public class Dispatcher{
private static final Map<String, Class<?>> ENTRY_POINTS =
new HashMap<String, Class<?>>();
static{
ENTRY_POINTS.put("foo", Foo.class);
ENTRY_POINTS.put("bar", Bar.class);
ENTRY_POINTS.put("baz"...
Passing data to a bootstrap modal
... a modal ( http://twitter.github.com/bootstrap/javascript.html#modals ), and pass this ID to the modal. I searched on google, but I couldn't find anything that could help me.
...
SQL Server insert if not exists best practice
I have a Competitions results table which holds team member's names and their ranking on one hand.
8 Answers
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Add leading zeroes/0's to existing Excel values to certain length
... were truncated as numbers when, in fact, they should have been handled as strings. I need to clean up the data and add the leading zeros back in.
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Android Writing Logs to text File
...
Hope this can help...
public void appendLog(String text)
{
File logFile = new File("sdcard/log.file");
if (!logFile.exists())
{
try
{
logFile.createNewFile();
}
catch (IOException e)
{
// TODO Auto-genera...
Converting an array of objects to ActiveRecord::Relation
... ActiveRecord::Relation since a Relation is just a builder for a SQL query and its methods do not operate on actual data.
However, if what you want is a relation then:
for ActiveRecord 3.x, don’t call all and instead call scoped, which will give back a Relation which represents the same records...
How to turn on front flash light programmatically in Android?
... android:protectionLevel="normal"
android:label="@string/permlab_flashlight"
android:description="@string/permdesc_flashlight" />
Then make use of Camera and set Camera.Parameters. The main parameter used here is FLASH_MODE_TORCH.
eg.
Code Snippet to tur...