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How do I convert from int to String?

...tClass extends java.lang.Object{ public TestClass(); Code: 0: aload_0 1: invokespecial #1; //Method java/lang/Object."<init>":()V 4: return public static void main(java.lang.String[]); Code: 0: iconst_5 1: istore_1 Initialise the StringBuilder: 2: ...
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What happens if you static_cast invalid value to enum class?

...s us to /1 A prvalue of an integer type other than bool, char16_t, char32_t, or wchar_t whose integer conversion rank (4.13) is less than the rank of int can be converted to a prvalue of type int if int can represent all the values of the source type; otherwise, the source prvalue can be convert...
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How to read contacts on Android 2.0

...t you have added <uses-permission android:name="android.permission.READ_CONTACTS"/> to your AndroidManifest.xml file, then you can loop through your phone contacts like this: Cursor cursor = getContentResolver().query(ContactsContract.Contacts.CONTENT_URI,null, null, null, null); while (...
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Sending HTTP POST Request In Java

... Line 1,20122 gold badges1414 silver badges3232 bronze badges answered Jul 24 '10 at 11:49 DuduAlulDuduAlul 5,59366 gold ...
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How do you validate a URL with a regular expression in Python?

...?))|(?:(?:\d+)(?:\.(?:\d+) ){3}))(?::(?:\d+))?)(?:/(?:(?:(?:(?:[a-zA-Z\d$\-_.+!*'(),]|(?:%[a-fA-F \d]{2}))|[;:@&=])*)(?:/(?:(?:(?:[a-zA-Z\d$\-_.+!*'(),]|(?:%[a-fA-F\d]{ 2}))|[;:@&=])*))*)(?:\?(?:(?:(?:[a-zA-Z\d$\-_.+!*'(),]|(?:%[a-fA-F\d]{ 2}))|[;:@&=])*))?)?)|(?:ftp://(?:(?:(?:(?:(?:[a-...
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Oracle SQL: Update a table with data from another table

...wer with 'in' clause that allows for multiple keys for the join: update fp_active set STATE='E', LAST_DATE_MAJ = sysdate where (client,code) in (select (client,code) from fp_detail where valid = 1) ... The beef is in having the columns that you want to use as the key in parentheses in the w...
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Iteration over std::vector: unsigned vs signed index variable

...crement. You should prefer iterators. Some people tell you to use std::size_t as the index variable type. However, that is not portable. Always use the size_type typedef of the container (While you could get away with only a conversion in the forward iterating case, it could actually go wrong all th...
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sed one-liner to convert all uppercase to lowercase?

...amel case example. 's/\w+/\u&/g' also works. – PJ_Finnegan Feb 26 '15 at 23:36 1 ...
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How can I check if a file exists in Perl?

...mething exists at given path using the -e file-test operator. print "$base_path exists!\n" if -e $base_path; However, this test is probably broader than you intend. The code above will generate output if a plain file exists at that path, but it will also fire for a directory, a named pipe, a syml...
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Invert “if” statement to reduce nesting

... clearer. For example: double getPayAmount() { double result; if (_isDead) result = deadAmount(); else { if (_isSeparated) result = separatedAmount(); else { if (_isRetired) result = retiredAmount(); else result = normalPayAmount(); }; ...