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keytool error Keystore was tampered with, or password was incorrect

...r description I assume you are on windows machine and your home is abc So Now : Cause When you run this command keytool -genkey -alias tomcat -keyalg RSA because you are not specifying an explicit keystore it will try to generate (and in your case as you are getting exception so to update) key...
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How to create local notifications?

...alloc] init]; notification.fireDate = [NSDate dateWithTimeIntervalSinceNow:7]; notification.alertBody = @"This is local notification!"; notification.timeZone = [NSTimeZone defaultTimeZone]; notification.soundName = UILocalNotificationDefaultSoundName; notification.applicationIcon...
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How to get config parameters in Symfony2 Twig Templates

...onfig/config.yml twig: globals: ga_tracking: "%ga_tracking%" Now, the variable ga_tracking is available in all Twig templates: <p>The google tracking code is: {{ ga_tracking }}</p> The parameter is also available inside the controllers: $this->container->getParame...
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Is there a CSS selector for the first direct child only?

...erited by that div's children divs: div.section > div { color: red } Now, both that div and its children will be red. You need to cancel out whatever you set on the parent if you don't want it to inherit: div.section > div { color: red } div.section > div div { color: black } Now only...
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Signal handling with multiple threads in Linux

...al is received? Let's say I wrote a custom signal handler for SIGUSR1, and now I'm sending that signal to the process. The root thread will get that signal. Maybe it's in the middle of some function at that moment. What is going to happen? – user500944 Jul 26 '...
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Why cast an unused function parameter value to void?

...For example if you do have the following statement: ud; This warning is now suppressed. However now GCC will produce another warning: unused.c:5:5: warning: statement with no effect [-Wunused-value] ud; ^~ This warning tells that the statement ud;, while being syntactically valid C, ...
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How to configure git push to automatically set upstream without -u?

... You can now do git config --global push.default current. – Andrea Bergonzo Feb 12 '18 at 23:03 2 ...
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Error to use a section registered as allowDefinition='MachineToApplication' beyond application level

...l of my aspx pages in my /portal/ directory has this error message, and I know it's a common one. I have googled this error message to no end, and I see a lot of posts telling me to configure the /portal/ folder as an application in IIS (which I have), and more posts telling me I have nested web.co...
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How can I replace a newline (\n) using sed?

...need the \n to find what you're looking for. Since GNU sed version 3.02.80 now supports this syntax: sed '/start/,+4d' # to delete "start" plus the next 4 lines, in addition to the traditional '/from here/,/to there/{...}' range addresses, it may be possible to avoid the use of \n ent...
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getSupportActionBar from inside of Fragment ActionBarCompat

...n a v7 ActionBar that I would cast to if I needed the extra functionality. Now my Fragments have to be aware of what type of Activity they are hosted in. – Paul Aug 19 '13 at 18:48 ...