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SQL error “ORA-01722: invalid number”

...ice that manually complete a field with "(null)" will give you that error. If the defaul is null and you don't complete it will auto-complete with (null) but it is not the same when you type it. – bogdan.rusu Aug 5 '15 at 8:37 ...
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How to extract the file name from URI returned from Intent.ACTION_GET_CONTENT?

...Activity): public String getFileName(Uri uri) { String result = null; if (uri.getScheme().equals("content")) { Cursor cursor = getContentResolver().query(uri, null, null, null, null); try { if (cursor != null && cursor.moveToFirst()) { result = cursor.getString(cur...
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Java: Detect duplicates in ArrayList?

...into a Set (using the Set(Collection) constructor or Set.addAll), then see if the Set has the same size as the ArrayList. List<Integer> list = ...; Set<Integer> set = new HashSet<Integer>(list); if(set.size() < list.size()){ /* There are duplicates */ } Update: If I'm un...
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How can I format a number into a string with leading zeros?

... if you use string.Format("D2", value) you'll get D2 in the output. this doesn't work. We must use "{0:00}" in this case. – v.oddou Aug 7 '15 at 7:22 ...
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What do numbers using 0x notation mean?

...addition! That's just the memory representation though, I guess similar to if we would agree that we have a set of numbers from 0--999 and that 1000--1999 would represent the negative numbers. My question was about human-readable notation, though knowing how computers do it might help someone else, ...
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How to show the text on a ImageButton?

... It is technically possible to put a caption on an ImageButton if you really want to do it. Just put a TextView over the ImageButton using FrameLayout. Just remember to not make the Textview clickable. Example: <FrameLayout> <ImageButton android:id="@+id/button_x" ...
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git pull aborted with error filename too long

... @AntonAndreev Yup, if you wish to set it in global scope, that's OK. Local scope per repository is perfectly valid as well. – mloskot Sep 1 '15 at 22:11 ...
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Print newline in PHP in single quotes

... If you are echoing to a browser, you can use <br/> with your statement: echo 'Will print a newline<br/>'; echo 'But this wont!'; share ...
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How to run a command in the background and get no output?

... Use nohup if your background job takes a long time to finish or you just use SecureCRT or something like it login the server. Redirect the stdout and stderr to /dev/null to ignore the output. nohup /path/to/your/script.sh > /dev/...
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Eclipse fonts and background color

... Wow, this rocks! Is there any way to get the plug-in to modify the background of the other windows (i.e., Package Explorer, LogCat, etc.)? – gonzobrains May 15 '13 at 22:23 ...