大约有 16,000 项符合查询结果（耗时：0.0221秒） [XML]
What is a reasonable order of Java modifiers (abstract, final, public, static, etc.)?
...recommended" with "customary" to make this an acceptable answer. Take this into account if you read the comments ;-) (thanks @EJP to make this clear) - Nevertheless I would recommend to use the customary order.
Google also recommends using the customary order mentioned in the Java spec.
public / pro...
How to pass an array into jQuery .data() attribute
... @John it is documented in the jQuery API - "Every attempt is made to convert the string to a JavaScript value (this includes booleans, numbers, objects, arrays, and null) otherwise it is left as a string."
– Alnitak
May 20 '11 at 12:51
...
Java regex capturing groups indexes
...alls.
You can access the text matched by certain group with Matcher.group(int group). The group numbers can be identified with the rule stated above.
In some regex flavors (PCRE, Perl), there is a branch reset feature which allows you to use the same number for capturing groups in different branch...
Preserve line endings
...sed to do some substitution on windows and I noticed that it automatically converts line endings to Unix (\n). Is there an option to tell sed to use Windows line endings (\r\n) or even better to preserve the line endings from the file?
...
Do we still need end slashes in HTML5?
...nd-slashes just fine, so there's no harm in leaving it there. Means easier converting backwards to XHTML, if necessary for whatever reason.
– Nightfirecat
Sep 9 '11 at 19:19
4
...
For each row return the column name of the largest value
...
apply converts the data.frame to matrix internally. You may not see a performance difference on these dimensions though.
– Arun
Jul 19 '13 at 0:07
...
Are JavaScript strings immutable? Do I need a “string builder” in JavaScript?
...s or boxes around strings. See es5.github.io/#x15.5.2.1 . About how things convert to objects see es5.github.io/#x9.9
– Benjamin Gruenbaum
Feb 21 '14 at 13:43
5
...
Should switch statements always contain a default clause?
...e preceding the switch.
}
This was an over-simplified example, but the point is that someone reading the code shouldn't wonder why variable cannot be something other than 1 or 2.
The only case I can think of to NOT use default is when the switch is checking something where its rather obvious ev...
How to find memory leak in a C++ code/project?
... to house a string.
delete [] str; // Clear those 30 bytes and make str point nowhere.
2
Reallocate memory only if you've deleted. In the code below, str acquires a new address with the second allocation. The first address is lost irretrievably, and so are the 30 bytes that it pointed to. Now th...
Time complexity of Sieve of Eratosthenes algorithm
...sqrt(n) so overall time complexity will O(sqrt(n)loglog(n)):
void isprime(int n)
{
int prime[n],i,j,count1=0;
for(i=0;i<n;i++)
{
prime[i]=1;
}
prime[0]=prime[1]=0;
for(i=2;i<=n;i++)
{
if(prime[i]==1)
{
printf("%d ",i);
...