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Changing one character in a string
...to implement copy-on-modify, or outright copy the whole string in case someone wants to modify that string - this leads to speed increase in generic use. There is no need for things like MID due to slices: s[:index] + c + s[index+1:]
– MultiSkill
Dec 4 '18 at 8...
What are the differences between NP, NP-Complete and NP-Hard?
...ve proofs that can be verified in polynomial time.
This means that if someone gives us an instance of the problem and a certificate (sometimes called a witness) to the answer being yes, we can check that it is correct in polynomial time.
Example
Integer factorisation is in NP. This is the problem...
Options, Settings, Properties, Configuration, Preferences — when and why?
...
Tricky, this, as there's no one single consistent style followed by all applications. As you say they are (broadly) synonyms.
In truth it doesn't really matter so long as your expected audience understands what you mean.
The biggest difference is betw...
What is the difference between “px”, “dip”, “dp” and “sp”?
...sity of the screen. These units are relative to a 160
dpi screen, so one dp is one pixel on a 160 dpi screen. The ratio of
dp-to-pixel will change with the screen density, but not necessarily
in direct proportion. Note: The compiler accepts both "dip" and
"dp", though "dp" is...
What are .dex files in Android?
...
About the .dex File :
One of the most remarkable features of the Dalvik Virtual Machine (the workhorse under the Android system) is that it does not use Java bytecode. Instead, a homegrown format called DEX was introduced and not even the bytecode...
WAMP shows error 'MSVCR100.dll' is missing when install
...wnload/en/details.aspx?id=13523
Apache will not run without this component
In fact if you are running the 64bit Windows it is a good idea to install all the 32bit libraries as well as the 64bit ones. After all 64bit windows runs 64 and 32 bit code. You will probably find you need at least...
How to get elements with multiple classes
...
what about getting element with only one class , which is the one specified @Joe
– CodeGuru
Jan 13 '19 at 7:22
1
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throws Exception in finally blocks
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I typically use one of the closeQuietly methods in org.apache.commons.io.IOUtils:
public static void closeQuietly(OutputStream output) {
try {
if (output != null) {
output.close();
}
} catch (IOException ...
What is the pythonic way to detect the last element in a 'for' loop?
...hat should be called only between elements, being suppressed in the last one.
24 Answers
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Passing multiple variables in @RequestBody to a Spring MVC controller using Ajax
...d parameter is expected to hold the entire body of the request and bind to one object, so you essentially will have to go with your options.
If you absolutely want your approach, there is a custom implementation that you can do though:
Say this is your json:
{
"str1": "test one",
"str2": ...