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Convert bytes to a string
...
You need to decode the bytes object to produce a string:
>>> b"abcde"
b'abcde'
# utf-8 is used here because it is a very common encoding, but you
# need to use the encoding your data is actually in.
>>> b"abcde".decode("utf-8")
'abcde'
...
How to get week number in Python?
...
You can get the week number directly from datetime as string.
>>> import datetime
>>> datetime.date(2010, 6, 16).strftime("%V")
'24'
Also you can get different "types" of the week number of the year changing the strftime parameter for:
%U - Week number o...
What does $NON-NLS-1$ mean?
...
They silence a warning that Eclipse emits when it encounters string literals (and has been configured to complain).
The idea is that UI messages should not be embedded as string literals, but rather sourced from a resource file (so that they can be translated, proofed, etc). Consequen...
Convert file: Uri to File in Android
...hat you want is...
new File(uri.getPath());
... and not...
new File(uri.toString());
Note: uri.toString() returns a String in the format: "file:///mnt/sdcard/myPicture.jpg", whereas uri.getPath() returns a String in the format: "/mnt/sdcard/myPicture.jpg".
...
Questions every good Java/Java EE Developer should be able to answer? [closed]
...using final qualifier for the method parameter.
class Name {
private String name;
public Name (String s) {
this.name = s;
}
public void setName(String s) {
this.name = s;
}
}
private void test (final Name n) {
n.setName("test");
}
...
What does && mean in void *p = &&abc;
...
@Lundin: Same can be said of most compilers. __forceinline? __declspec(naked)? One of my favourite MSVCisms is: template<typename T> class X { friend T; }, which is invalid C++03.
– Sebastian Mach
Aug 17 '12 at 8:20
...
Tomcat: How to find out running tomcat version
....in/blog/check-jsp-tomcat-version
Save this code into a file called tomcat_version.jsp:
Tomcat Version : <%= application.getServerInfo() %><br>
Servlet Specification Version :
<%= application.getMajorVersion() %>.<%= application.getMinorVersion() %> <br> ...
John Carmack's Unusual Fast Inverse Square Root (Quake III)
...s derived is something of a mystery.
To quote Gary Tarolli:
Which actually is doing a floating
point computation in integer - it took
a long time to figure out how and why
this works, and I can't remember the
details anymore.
A slightly better constant, developed by an expert mathemat...
What is memory fragmentation?
...uld be nice if true, but implementations of standard C++ templates such as string & vector can have some highly undesirable behaviours when they resize. For example in older versions of visual studio the std::string basically resizes by realloc 1.5 * current_size (to the nearest 8 bytes). So if ...
What's the reason I can't create generic array types in Java?
... the code generated by new ArrayList<SomeType>() or new ArrayList<String>() or new ArrayList() at all.
– newacct
Mar 26 '14 at 0:05
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