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Read properties file outside JAR file

... * the ./main.properties file of the base folder * * @return app.version string * @throws IOException */ import java.util.Properties; public static String getAppVersion() throws IOException{ String versionString = null; //to load application's properties, we use this class Proper...
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#1071 - Specified key was too long; max key length is 1000 bytes

...e best practice is to use prefix indexes so you're only indexing a left substring of the data. Most of your data will be a lot shorter than 255 characters anyway. You can declare a prefix length per column as you define the index. For example: ... KEY `index` (`parent_menu_id`,`menu_link`(50),`p...
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Clicking the back button twice to exit an activity

... } this.doubleBackToExitPressedOnce = true; Toast.makeText(this, R.string.exit_press_back_twice_message, Toast.LENGTH_SHORT).show(); } And it just works exactly as I want. Including the reset of the state whenever the activity is resumed. ...
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How do I create a copy of an object in PHP?

... you said that only primitive member variables gets copied: are PHP arrays/strings considered primitive member variables, so they get copied, am I right? – Marco Demaio Jul 11 '10 at 10:48 ...
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Binding an enum to a WinForms combo box, and then setting it

...item Status status; Enum.TryParse<Status>(cbStatus.SelectedValue.ToString(), out status); share | improve this answer | follow | ...
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Java Reflection: How to get the name of a variable?

...For example, take this simple class: class TestLocalVarNames { public String aMethod(int arg) { String local1 = "a string"; StringBuilder local2 = new StringBuilder(); return local2.append(local1).append(arg).toString(); } } After compiling with javac -g:vars TestL...
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How to configure logging to syslog in Python?

... I add a little extra comment just in case it helps anyone because I found this exchange useful but needed this little extra bit of info to get it all working. To log to a specific facility using SysLogHandler you need to specify the facili...
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How to compare objects by multiple fields

...NullPointerException when one of the fields I am comparing is null, like a String. Is there anyway to keep this compare format but allow it to be null safe? – rveach May 4 '18 at 21:15 ...
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How to drop rows of Pandas DataFrame whose value in a certain column is NaN

...ilippSchwarz This error occurs if the column (EPS in the example) contains strings or other types that cannot be digested by np.isfinite(). I recommend to use pandas.notnull() that will handle this more generously. – normanius Apr 5 '18 at 10:02 ...
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What does a b prefix before a python string mean?

In a python source code I stumbled upon I've seen a small b before a string like in: 2 Answers ...