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Android Studio Collapse definitions and methods
... the keyboard shortcuts for these open Settings (File -> Settings) then select Keymap under IDE Settings. Now type folding into the search box (top right). Setup the keyboard shortcut for the various folding actions :)
sh...
What is the meaning of “POSIX”?
...cannot be used
. is cwd, .. parent
portable filenames
use at most max 14 chars and 256 for the full path
can only contain: a-zA-Z0-9._-
See also: what is posix compliance for filesystem?
Command line utility API conventions
Not mandatory, used by POSIX, but almost nowhere else, notably not in ...
Can't launch my app in Instruments: At least one target failed to launch
...To change your code signing identity for Xcode 6:
Click on your Project, Select the Target you are Profiling.
Build Settings -> Code Signing -> Code Signing Identity -> Release
Select your iOS developer profile.
Provisioning Profile: Let Xcode pick the correct Provisioning Profile for yo...
Can I pass an array as arguments to a method with variable arguments in Java?
...tatic String ezFormat(Object... args) {
String format = new String(new char[args.length])
.replace("\0", "[ %s ]");
return String.format(format, args);
}
public static void main(String... args) {
System.out.println(ezFormat("A", "B", "C"));
// prints "[ A ][ B ][ C ]"
}
And ...
Generate random numbers using C++11 random library
...;
}
};
thread_local backoff_time_t backoff_time;
int main(int argc, char** argv) {
double x1 = backoff_time.rand();
double x2 = backoff_time.rand();
double x3 = backoff_time.rand();
double x4 = backoff_time.rand();
return 0;
}
~
...
MySql export schema without data
...e the view definition. So if yo had a view like following
create view v1
select `a`.`id` AS `id`,
`a`.`created_date` AS `created_date`
from t1;
with --no-data option, view definition will get changed to following
create view v1
select 1 AS `id`, 1 AS `created_date`
...
Oracle: how to UPSERT (update or insert into a table?)
...e mergetest(a number, b number);
call ups(10);
call ups(10);
call ups(20);
select * from mergetest;
A B
---------------------- ----------------------
10 2
20 1
s...
ZMQ: 基本原理 - 开源 & Github - 清泛网移动版 - 专注C/C++及内核技术
...q_connect (s, "tcp://192.168.0.111:5555");
/* Message routing */
const char data [] = "ABC";
zmq_send (s, data, sizeof (data), 0);
区分拓扑建立和消息路由严格地说不是不可缺少的。毕竟，混合这两个为一个单独的函数是很容易的：
zmq_send (s, "tcp://19...
Inspect element that only appear when other element is mouse overed/entered
...to the Elements panel and use the magnifying glass icon in the top left to select the tooltip
If the tooltip shows up because of CSS, here's what you can do in that case:
Step-by-step:
Open the DevTools
Select the triggering element in the dev tools (the link)
Right click, and select "force el...
How to apply bindValue method in LIMIT clause?
...ode
$skip = isset($_GET['skip']) ? (int)trim($_GET['skip']) : 0;
$sql = "SELECT * FROM pictures WHERE album = ? ORDER BY id LIMIT ?, ?";
$stmt = $PDO->prepare($sql);
$stmt->execute([$_GET['albumid'], $skip, $max]);
$pictures = $stmt->fetchAll(PDO::FETCH_ASSOC);
...