大约有 43,000 项符合查询结果（耗时：0.0291秒） [XML]
Why do most C developers use define instead of const? [duplicate]
...onst in C does not mean something is constant. It just means a variable is read-only.
In places where the compiler requires a true constant (such as for array sizes for non-VLA arrays), using a const variable, such as fieldWidth is just not possible.
...
How can I get file extensions with JavaScript?
...string before the dot. It's a very well crafted solution, albeit tough to read. Stick it in your helpers lib and just use it.
Old Edit:
A safer implementation if you're going to run into files with no extension, or hidden files with no extension (see VisioN's comment to Tom's answer above) would...
MYSQL OR vs IN performance
...an IN will be converted to a bunch of OR statements anyway." Where did you read this? I would expect it to put it in a hashmap to make O(1) lookups.
– Ztyx
Apr 2 '14 at 7:09
...
Facebook access token server-side validation for iPhone app
...app, see the comments, original answer as
follows:
I assume that you already have the access token in hand. In such a case the simplest way to validate an access token is to issue the following request
https://graph.facebook.com/me?fields=id&access_token=@accesstoken
Here replace @accesst...
Is there a Subversion command to reset the working copy?
...se of use
Add permanent alias to your .bash_aliases
alias svn.HardReset='read -p "destroy all local changes?[y/N]" && [[ $REPLY =~ ^[yY] ]] && svn revert . -R && rm -rf $(awk -f <(echo "/^?/{print \$2}") <(svn status) ;)'
...
How do I analyze a program's core dump file with GDB when it has command-line parameters?
...tput warning: core file may not match specified executable file. Failed to read a valid object file image from memory.
– Treper
Nov 29 '11 at 5:07
...
How to format Joda-Time DateTime to only mm/dd/yyyy?
... @yaojiang Joda uses the same format string syntax as SimpleDateFormat. Read the API documentation.
– Jesper
Dec 2 '13 at 15:17
...
Why does [5,6,8,7][1,2] = 8 in JavaScript?
... operation are not a delimited list of operands, but a single expression.
Read more about the comma operator here.
share
|
improve this answer
|
follow
|
...
Access data in package subdirectory
...TA_PATH = os.path.join(this_dir, "data", "data.txt")
print open(DATA_PATH).read()
share
|
improve this answer
|
follow
|
...
How do I load the contents of a text file into a javascript variable?
...ar client = new XMLHttpRequest();
client.open('GET', '/foo.txt');
client.onreadystatechange = function() {
alert(client.responseText);
}
client.send();
Normally speaking, though, XMLHttpRequest isn't available on all platforms, so some fudgery is done. Once again, your best bet is to use an AJAX ...