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Programmatically update widget from activity/service/receiver
...(this, MyAppWidgetProvider.class);
intent.setAction(AppWidgetManager.ACTION_APPWIDGET_UPDATE);
// Use an array and EXTRA_APPWIDGET_IDS instead of AppWidgetManager.EXTRA_APPWIDGET_ID,
// since it seems the onUpdate() is only fired on that:
int[] ids = AppWidgetManager.getInstance(getApplication())
...
How can I format my grep output to show line numbers at the end of the line, and also the hit count?
...
or in perl (for completeness...):
perl -npe 'chomp; /null/ and print "$_ - Line number : $.\n" and $i++;$_="";END{print "Total null count : $i\n"}'
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Error 1022 - Can't write; duplicate key in table
...raints are currently in use you can use the following query:
SELECT `TABLE_SCHEMA`, `TABLE_NAME`
FROM `information_schema`.`KEY_COLUMN_USAGE`
WHERE `CONSTRAINT_NAME` IN ('iduser', 'idcategory');
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Generating random integer from a range
...9937-1 is a
Mersenne prime; the technique for
manipulating the seed is based on an
older "twisting" algorithm -- hence
the name "Mersenne Twister".
An appealing aspect of the Mersenne
Twister is its use of binary
operations -- as opposed to
time-consuming multiplication -- for
g...
Assign one struct to another in C
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git still shows files as modified after adding to .gitignore
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What is routes.IgnoreRoute(“{resource}.axd/{*pathInfo}”)
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Unable to install gem - Failed to build gem native extension - cannot load such file — mkmf (LoadErr
...ing so i had to run open /Library/Developer/CommandLineTools/Packages/macOS_SDK_headers_for_macOS_10.14.pkg
That didnt work for me at first because the version of CommandLineTools i had installed did not have the "Packages" folder. So i uninstalled and reinstalled like this:
rm -rf /Library/Devel...
Get the IP address of the machine
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Then you have other languages which isn't even Latin based character set. The sollution is to not use command tools, as they get deprecated like ifconfig. You should use ip now. The proper way of generate language neutral output is to set LANG environment variable to C, like:...
What is meant by Resource Acquisition is Initialization (RAII)?
...ourceHandle {
public:
ManagedResourceHandle(RawResourceHandle* rawHandle_) : rawHandle(rawHandle_) {};
~ManagedResourceHandle() {delete rawHandle; }
... // omitted operator*, etc
private:
RawResourceHandle* rawHandle;
};
ManagedResourceHandle handle(createNewResource());
handle->perf...