大约有 21,000 项符合查询结果(耗时:0.0617秒) [XML]
Malloc vs new — different padding
...
IIRC there's one picky point. malloc is guaranteed to return an address aligned for any standard type. ::operator new(n) is only guaranteed to return an address aligned for any standard type no larger than n, and if T isn't a character type then new T[n] is only required to return an addr...
JavaScript frameworks to build single page applications [closed]
...
I recently had to decide on a JavaScript SPA framework on a project too.
Ember
Looked at Ember early on and had similar thoughts as you about it - I really liked it but it felt like it was still too early to use... about half the tu...
Single quotes vs. double quotes in Python [closed]
...
Will HarrisWill Harris
21.2k1111 gold badges6161 silver badges6363 bronze badges
4
...
Combine two data frames by rows (rbind) when they have different sets of columns
...oy BhattacharyaJyotirmoy Bhattacharya
8,19733 gold badges2626 silver badges3636 bronze badges
15...
What's the nearest substitute for a function pointer in Java?
...
Mateen Ulhaq
16.6k1111 gold badges6464 silver badges105105 bronze badges
answered Sep 23 '08 at 17:21
sblundysblundy
...
How can I escape white space in a bash loop list?
...this requires that your find support -print0:
# this is safe
while IFS= read -r -d '' n; do
printf '%q\n' "$n"
done < <(find test -mindepth 1 -type d -print0)
You can also populate an array from find, and pass that array later:
# this is safe
declare -a myarray
while IFS= read -r -d '' n...
Kiosk mode in Android
...ot by listening to the android.intent.action.BOOT_COMPLETED intent in a BroadcastReceiver and start your Activity from there. In the Activity you can register yourself as the new default homescreen[1] and handle the keys.
I think there are some instances that you can't handle without modifying the...
How to listen for a WebView finishing loading a URL?
I have a WebView that is loading a page from the Internet. I want to show a ProgressBar until the loading is complete.
...
How to redirect the output of an application in background to /dev/null
...urcommand > /dev/null 2>&1
If it should run in the Background add an &
yourcommand > /dev/null 2>&1 &
>/dev/null 2>&1 means redirect stdout to /dev/null AND stderr to the place where stdout points at that time
If you want stderr to occur on console and on...
MySQL DROP all tables, ignoring foreign keys
... http://dev.mysql.com/doc/refman/5.5/en/drop-table.html, dropping with cascade is pointless / misleading:
"RESTRICT and CASCADE are permitted to make porting easier. In MySQL 5.5, they do nothing."
Therefore, in order for the drop statements to work if you need:
SET FOREIGN_KEY_CHECKS = 0
...