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How to check for file lock? [duplicate]

...bout it, that information would be worthless anyway since the file could become locked the very next second (read: short timespan). Why specifically do you need to know if the file is locked anyway? Knowing that might give us some other way of giving you good advice. If your code would look like t...
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error: request for member '..' in '..' which is of non-class type

...ola Golubyev 50k1414 gold badges7979 silver badges100100 bronze badges 7 ...
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Google Maps zoom control is messed up

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How to send emails from my Android application?

...rfc822"); i.putExtra(Intent.EXTRA_EMAIL , new String[]{"recipient@example.com"}); i.putExtra(Intent.EXTRA_SUBJECT, "subject of email"); i.putExtra(Intent.EXTRA_TEXT , "body of email"); try { startActivity(Intent.createChooser(i, "Send mail...")); } catch (android.content.ActivityNotFoundExcep...
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Python locale error: unsupported locale setting

... Run following commands export LC_ALL="en_US.UTF-8" export LC_CTYPE="en_US.UTF-8" sudo dpkg-reconfigure locales It will solve this. Make sure to match the .UTF-8 part to the actual syntax found in the output of locale -a e.g. .utf8 on s...
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Running a cron job at 2:30 AM everyday

... 30 2 * * * wget https://www.yoursite.com/your_function_name The first part is for setting cron job and the next part to call your function. share | ...
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Padding between ActionBar's home icon and title

...ding="utf-8"?> <layer-list xmlns:android="http://schemas.android.com/apk/res/android"> <item android:drawable="@drawable/ic_launcher" android:right="20dp"/> </layer-list> In the android_manifest.xml you can still set a different app icon (launcher icon ...
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Extract month and year from a zoo::yearmon object

...ere is your example date (properly created!) date1 <- as.yearmon("Mar 2012", "%b %Y") Then we can extract the date parts as required: > format(date1, "%b") ## Month, char, abbreviated [1] "Mar" > format(date1, "%Y") ## Year with century [1] "2012" > format(date1, "%m") ## numeric mon...
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How do I see what character set a MySQL database / table / column is?

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NGinx Default public www location?

... before, so I am aware that the default public web root is typically /var/www/ . 30 Answers ...