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Split an NSString to access one particular piece

I have a string like this: @"10/04/2011" and I want to save only the "10" in another string. How can I do that? 7 Answers...
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How to fix Git error: object file is empty?

... the .git directory and run find . -type f -empty -delete -print to remove all empty files. Eventually git started telling me it was actually doing something with the object directories: nathanvan@nathanvan-N61Jq:~/workspace/mcmc-chapter$ git fsck --full Checking object directories: 100% (256/256)...
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Use URI builder in Android or create URL with variables

... .appendQueryParameter("sort", "relevance") .fragment("section-name"); String myUrl = builder.build().toString(); share | improve this answer | follow | ...
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What arguments are passed into AsyncTask?

... will I write the code for DownloadTask? DownloadTask extends AsyncTask<String,Integer,String>{ @Override public void onPreExecute() {} @Override public String doInbackGround(String... params) { // Download code int downloadPe...
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What is the most appropriate way to store user settings in Android application

...s(MY_PREFS_FILE_NAME, Context.MODE_PRIVATE) ); // eg. prefs.edit().putString("foo","bar").commit(); prefs.getString("foo", null); Here's the code for the class: /** * Warning, this gives a false sense of security. If an attacker has enough access to * acquire your password store, then he ...
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How do you uninstall all dependencies listed in package.json (NPM)?

...I have a package.json file defined in my application root and run npm install -g it will install all the dependencies defined in package.json, globablly. ...
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is_file or file_exists in PHP

...rk to work, you should add clearstatcache(); since the results for is_file and file_exists are cached throughout the script. Anyways file_exists() is a bit slower, but shouldn't make any difference unless you perform around 100K file checks. php.net/manual/en/function.clearstatcache.php ...
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How to test my servlet using JUnit

... when(request.getParameter("password")).thenReturn("secret"); StringWriter stringWriter = new StringWriter(); PrintWriter writer = new PrintWriter(stringWriter); when(response.getWriter()).thenReturn(writer); new MyServlet().doPost(request, response); v...
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How to match “anything up until this sequence of characters” in a regular expression?

...n: /^[^abc]/ . This will match any single character at the beginning of a string, except a, b, or c. 12 Answers ...
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What is the $? (dollar question mark) variable in shell scripting? [duplicate]

I'm trying to learn shell scripting, and I need to understand someone else's code. What is the $? variable hold? I can't Google search the answer because they block punctuation characters. ...