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How can I use different certificates on specific connections?

...eArrayInputStream derInputStream = new ByteArrayInputStream(app.certificateString.getBytes()); CertificateFactory certificateFactory = CertificateFactory.getInstance("X.509"); X509Certificate cert = (X509Certificate) certificateFactory.generateCertificate(derInputStream); String alias = "alias";//ce...
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WHERE vs HAVING

...ect_type | table | type | possible_keys | key | key_len | ref | rows | Extra | +----+-------------+-------+-------+---------------+-------+---------+------+------+--------------------------+ | 1 | SIMPLE | table | range | value | value | 4 | NULL | 5 | U...
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Can we omit parentheses when creating an object using the “new” operator?

... making a mistake you should use (new Object).func(). But I consider using extra parenthesis and extra equal signs, as in == vs ===, a bad excuse for not learning your language. – Jean Vincent Jun 2 '17 at 12:26 ...
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Non-Relational Database Design [closed]

...DBs are a massive win, and the drawbacks of less flexible queries and some extra code for data validation seems a small price to pay. Have you hit your head against anything that seems impossible? Not yet. Map/reduce as a means of querying a database is unfamiliar, and requires a lot more thinking...
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Finish all previous activities

...eturn you to home screen finishing all the other activites. You can add an extra in the intent and read that in the home screen activity and finish it also (maybe launch login screen again from there or something). I am not sure but you can also try going to login with this flag. I don't know how t...
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Transposing a NumPy array

...rally speaking though, you don't ever need to worry about this. Adding the extra dimension is usually not what you want, if you're just doing it out of habit. Numpy will automatically broadcast a 1D array when doing various calculations. There's usually no need to distinguish between a row vector a...
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getSupportActionBar from inside of Fragment ActionBarCompat

...). ((AppCompatActivity)getActivity()).getSupportActionBar().setSubtitle(R.string.subtitle); You do need the cast. It's not poor design, it's backwards compatibility. share | improve this answer ...
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Set Focus on EditText

...Override public void onFocusChange(View v, boolean hasFocus) { String liganame = editText1.getText().toString(); if(liganame.length() == 0) { if(editText1.requestFocus()) { getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAY...
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When to use ref and when it is not necessary in C#

...ltiple return values create structs'). Take for example IPAddress.TryParse(string, out IPAddress). – Swen Kooij Dec 6 '13 at 21:47 ...
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Efficiency of purely functional programming

... for problems that require a greater running time, it is possible that the extra O(log n) factor seen in the linear problem may be able to be "absorbed" in the process of extra operations necessary for algorithms with greater running times. These clarifications and open questions are explored briefl...