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Difference between IsNullOrEmpty and IsNullOrWhiteSpace in C# [duplicate]
...lue) || value.Trim().Length == 0;
White-space characters are defined by the Unicode standard. The
IsNullOrWhiteSpace method interprets any character that returns a
value of true when it is passed to the Char.IsWhiteSpace method as a
white-space character.
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Broadcast receiver for checking internet connection in android app
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Answer to your first question: Your broadcast receiver is being called two times because
You have added two <intent-filter>
Change in network connection :
<action android:name="android.net.conn.CONNECTIVITY_CHANGE" />
Change in WiFi state:
<action android:name="android....
Why doesn't logcat show anything in my Android?
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I have the same problem on/off and the way I solved is by File>>Restart (restart the eclipse)
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Converting a date string to a DateTime object using Joda Time library
...a.util.Calendar, and java.text.SimpleDateFormat are now legacy, supplanted by the java.time classes built into Java 8 & Java 9. See Tutorial by Oracle. And the java.time classes are thread-safe, unlike the legacy classes.
– Basil Bourque
Dec 30 '17 at 23:29...
Converting user input string to regular expression
...nstructor and the escaping of the double quotes is necessary. What I mean by a string in a variable is that you can just do var re = new RegExp(str); and str may contain double quotes or backslashes without a problem.
– Luis Paulo
Apr 17 '18 at 0:23
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How to force uninstallation of windows service
....EXE to delete any windows Service forcefully if un-install doesnt removes by any chance.
sc delete <Service_Name>
Read more on "MS Techno Blogging" Deleting Services Forcefully from Services MMC
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java.lang.IllegalStateException: Can not perform this action after onSaveInstanceState
... DummyFragment dummyFragment = (DummyFragment) fm.findFragmentById(R.id.dummy_fragment_layout);
ft.remove(dummyFragment);
ft.commitAllowingStateLoss();
}
}
sh...
In jQuery how can I set “top,left” properties of an element with position values relative to the par
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I found that if the value passed is a string type, it must be followed by 'px' (i.e. 90px), where if the value is an integer, it will append the px automatically. the width and height properties are more forgiving (either type works).
var x = "90";
var y = "120"
$(selector).css( { left: x, top...
Check if Key Exists in NameValueCollection
...ever that doesn't mean that a different one isn't passed in to use instead by whatever class creates an instance of the NameValueCollection.
– lethek
Oct 9 '15 at 7:04
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Keystore change passwords
... Does this apply to .jks too? My keystore is .jks generated by Android Studio
– user5395084
Jan 1 '17 at 17:55
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