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Execute bash script from URL
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$ sudo bash <(curl -s xxx) got error: bash: /dev/fd/63: Bad file descriptor
– Jake
Nov 9 '15 at 6:49
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How to clear APC cache entries?
...rsion, calls are made to the Symfony form of copy and unlink, which handle errors. You may want to add checks that they succeed.
copy($apcPaths['data'], $apcPaths['web']); //'data' is a non web accessable directory
$url = 'http://localhost/apc_clear.php'; //use domain name as necessary
$result = j...
How to search and replace globally, starting from the cursor position and wrapping around the end of
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Oh my god, what do all those arbitrary characters even mean. How did you learn that?
– rocky raccoon
Jun 16 '17 at 18:52
2
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Redirect non-www to www in .htaccess
...eferred to @ranman's as it will work for all domains thus minimizing human error either when you're implementing code for a new project or when you implement extra-domains to an existing project.
– Frankie
Aug 20 '14 at 15:16
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Initialize a long in Java
...ormed.
Try this
byte a = 1; // declare a byte
a = a*2; // you will get error here
You get error because 2 is by default int.
Hence you are trying to multiply byte with int.
Hence result gets typecasted to int which can't be assigned back to byte.
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Styling Google Maps InfoWindow
...unction InfoBox(opts) {
google.maps.OverlayView.call(this);
this.latlng_ = opts.latlng;
this.map_ = opts.map;
this.offsetVertical_ = -195;
this.offsetHorizontal_ = 0;
this.height_ = 165;
this.width_ = 266;
var me = this;
this.boundsChangedListener_ =
google.maps.event.addListe...
Import SQL dump into PostgreSQL database
...ve tried that psql mydatabase < C:\database\db-backup.sql but i get the error Invalid command \database. I also tried with " " around it.
– dazz
Jul 27 '11 at 10:05
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Node.js app can't run on port 80 even though there's no other process blocking the port
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The error code EACCES means you don't have proper permissions to run applications on that port. On Linux systems, any port below 1024 requires root access.
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App Inventor 2 软件著作权（软著）申请指南 · App Inventor 2 中文网
...表一个事件、一个函数、一个条件判断等。
块的布局和连接：除了保存块本身的代码逻辑，.blk 文件还记录了这些块如何在界面上布局和连接，确保应用逻辑在界面中正确呈现和执行。
.blk 文件的特点：
图形化编程的底层...
Good way of getting the user's location in Android
...e position in meters.
the Criteria.ACCURACY_HIGH criterion should give you errors below 100m, which is not as good as GPS can be, but matches your needs.
You also need to monitor the status of your location provider, and switch to another provider if it gets unavailable or disabled by the user.
The ...