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Java FileReader encoding issue
... void readAll( ) throws IOException{
String fileName = "College_Grade4.txt";
String charset = "UTF-8";
BufferedReader reader = new BufferedReader(
new InputStreamReader(
new FileInputStream(fileName), charset));
String line;
while ((line = reader.readLine()...
理解Python的 with 语句 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...ines of: 如果不用with语句，代码如下：
file = open("/tmp/foo.txt")
data = file.read()
file.close()
There are two annoying things here. First, you end up forgetting to close the file handler. The second is how to handle exceptions that may occur once the file handler has been obtaine...
How to pass arguments to a Button command in Tkinter?
...global i, btn # btn can be omitted but not sure if should be
txt = ("Vicariously", "I", "live", "as", "the", "whole", "world", "dies")
btn['text'] = txt[i] # the global object that is modified
i = (i + 1) % len(txt) # another global object that gets modified
root = tk.Tk()...
OS X: equivalent of Linux's wget
...instance Ubuntu on an AWS instance, use:
wget http://example.com/textfile.txt
On a Mac, i.e. for local development, use this:
curl http://example.com/textfile.txt -o textfile.txt
The -o parameter is required on a Mac for output into a file instead of on screen. Specify a different target name ...
How to call Android contacts list?
... implements OnClickListener {
private Button btn = null;
private TextView txt = null;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
btn = (Button) findViewById(R.id.button1);
txt = (TextView) findView...
How to duplicate sys.stdout to a log file?
...s.fdopen(sys.stdout.fileno(), 'w', 0)
tee = subprocess.Popen(["tee", "log.txt"], stdin=subprocess.PIPE)
os.dup2(tee.stdin.fileno(), sys.stdout.fileno())
os.dup2(tee.stdin.fileno(), sys.stderr.fileno())
print "\nstdout"
print >>sys.stderr, "stderr"
os.spawnve("P_WAIT", "/bin/ls", ["/bin/ls"],...
How to ignore certain files in Git
...
1) Create a .gitignore file. To do that, you just create a .txt file and change the extension as follows:
Then you have to change the name, writing the following line in a cmd window:
rename git.txt .gitignore
Where git.txt is the name of the file you've just created.
Then you...
How to access test resources in Scala?
...); is to obtain it's path via:
val path = getClass.getResource("/testData.txt").getPath
val file = new File(path)
as has been pointed out in Scala get file path of file in resources folder
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linux 通过bind下搭建DNS Server - 更多技术 - 清泛网 - 专注C/C++及内核技术
...med/data/cache_dump.db";
statistics-file "/var/named/data/named_stats.txt";
memstatistics-file "/var/named/data/named_mem_stats.txt";
query-source port 53;
query-source-v6 port 53;
allow-query { any; };
};
logging {
channel default_debug {
...
How to get line count of a large file cheaply in Python?
...ne line, probably pretty fast:
num_lines = sum(1 for line in open('myfile.txt'))
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