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Problems with contenttypes when loading a fixture in Django
...natural? I just tried without the --natural option and it worked. Also the documentation here says one should use this option if DUMPING auth.permission and contenttypes.
– wlnirvana
Dec 26 '14 at 5:05
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How to remove all line breaks from a string
...ine Feed (LF, \n, on Unices incl. Linux) or CR followed by LF (\r\n, on WinDOS). (Contrary to another answer, this has nothing to do with character encoding.)
Therefore, the most efficient RegExp literal to match all variants is
/\r?\n|\r/
If you want to match all newlines in a string, use a glo...
Why can't I define a default constructor for a struct in .NET?
...LR.
The CLR allows value types to have parameterless constructors, but C# doesn't. I believe this is because it would introduce an expectation that the constructor would be called when it wouldn't. For instance, consider this:
MyStruct[] foo = new MyStruct[1000];
The CLR is able to do this very ...
JSON parsing using Gson for Java
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This is simple code to do it, I avoided all checks but this is the main idea.
public String parse(String jsonLine) {
JsonElement jelement = new JsonParser().parse(jsonLine);
JsonObject jobject = jelement.getAsJsonObject();
jobject = ...
Why is the console window closing immediately once displayed my output?
...ted executing and return from their main method, the associated console window automatically closes. This is expected behavior.
If you want to keep it open for debugging purposes, you'll need to instruct the computer to wait for a key press before ending the app and closing the window.
The Console...
Updating address bar with new URL without hash or reloading the page
...implementing a way to update the address bar via javascript (the path, not domain) without reloading the page or they really have done this.
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Changing the default folder in Emacs
...the desktop. I believe there is some way to customize the .emacs file to do this, but I am still unsure what that is.
11 ...
“Default Activity Not Found” on Android Studio upgrade
... This worked for me in Android Studio, but after restarting I also had to do Tools -> Android -> Sync Project with Gradle Files.
– vaughandroid
Aug 13 '14 at 8:32
4
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What is the difference between i++ and ++i?
...n to use i++ or ++i ( i being a number variable like int , float , double , etc). Anyone who knows this?
6 Answers
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Android. Fragment getActivity() sometimes returns null
...developer console error reports sometimes I see reports with NPE issue. I do not understand what is wrong with my code. On emulator and my device application works good without forcecloses, however some users get NullPointerException in fragment class when the getActivity() method is called.
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