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Controlling a USB power supply (on/off) with Linux
...wer for the information on the newer kernels.
# disable external wake-up; do this only once
echo disabled > /sys/bus/usb/devices/usb1/power/wakeup
echo on > /sys/bus/usb/devices/usb1/power/level # turn on
echo suspend > /sys/bus/usb/devices/usb1/power/level # turn off
(You may n...
How do I enable C++11 in gcc?
...idiotic errors. Which is why I use gmake with RECIPEPREFIX as shown in the documentation. Tab characters are an abomination; use them never.
– Parthian Shot
Aug 20 '15 at 17:34
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How do you truncate all tables in a database using TSQL?
...e.
Thanks to Robert for pointing out the fact that disabling constraints does not allow to use truncate, the constraints would have to be dropped, and then recreated
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Why does UITableViewCell remain highlighted?
...all deselectRowAtIndexPath to deselect the cell.
So whatever else you are doing in didSelectRowAtIndexPath you just have it call deselectRowAtIndexPath as well.
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
// Do some stuff when the row is selected
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Is SHA-1 secure for password storage?
...acks:
The known attacks on MD4, MD5 and SHA-1 are about collisions, which do not impact preimage resistance. It has been shown that MD4 has a few weaknesses which can be (only theoretically) exploited when trying to break HMAC/MD4, but this does not apply to your problem. The 2106 second preimage a...
How can I do an UPDATE statement with JOIN in SQL Server?
...tax strictly depends on which SQL DBMS you're using. Here are some ways to do it in ANSI/ISO (aka should work on any SQL DBMS), MySQL, SQL Server, and Oracle. Be advised that my suggested ANSI/ISO method will typically be much slower than the other two methods, but if you're using a SQL DBMS other t...
How do I remove all non alphanumeric characters from a string except dash?
How do I remove all non alphanumeric characters from a string except dash and space characters?
13 Answers
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Google Maps API v3: How to remove all markers?
...gle Maps API v2, if I wanted to remove all the map markers, I could simply do:
31 Answers
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Best way to do Version Control for MS Excel
...right click on "ThisWorkbook" and select "View Code". You may have to pull down the select box at the top of the code window to change from "(General)" view to "Workbook" view.
Contents of "Workbook" view:
Private Sub Workbook_Open()
ImportCodeModules
End Sub
Private Sub Workbook_BeforeSave(ByV...
support FragmentPagerAdapter holds reference to old fragments
...o use those references independently of the ViewPager. As Seraph says, you do have guarantees that a fragment has been instantiated/added in a ViewPager at a particular time - this should be considered an implementation detail. A ViewPager does lazy loading of its pages; by default it only loads the...