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How can I use a local image as the base image with a dockerfile?
...nning the docker build command:
if you want use the local image as the base image, please without the
option --pull=true, --pull=true will always attempt to pull a newer
version of the image.
-https://github.com/docker/docker/issues/14943
...
Number of processors/cores in command line
...s /proc/cpuinfo. nproc is there on my ubuntu VM, but not on my RedHat 5.5-based machine.
– Digital Trauma
Oct 27 '13 at 15:41
8
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Django: multiple models in one template using forms [closed]
...ds) if instance is not None else {}
# Pass the initial data to the base
super(UserProfileForm, self).__init__(initial=_initial, instance=instance, *args, **kwargs)
# Retrieve the fields from the user model and update the fields with it
self.fields.update(fields_for_mo...
How can I set Image source with base64
I want to set the Image source to a base64 source but it does not work:
4 Answers
4
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How do I list the symbols in a .so file
...l for demangling C++):
$ objdump -TC libz.so
libz.so: file format elf64-x86-64
DYNAMIC SYMBOL TABLE:
0000000000002010 l d .init 0000000000000000 .init
0000000000000000 DF *UND* 0000000000000000 GLIBC_2.2.5 free
0000000000000000 DF *UND* 0000000000000000 GLIBC_2...
vertical align middle in
...can use line-height: 50px;, you won't need vertical-align: middle; there.
Demo
The above will fail if you've multiple lines, so in that case you can wrap your text using span and than use display: table-cell; and display: table; along with vertical-align: middle;, also don't forget to use width:...
how to check redis instance version?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Android SDK on a 64-bit linux machine
Is it possible to develop using the Android SDK on a 64-bit linux machine. The available SDK downloads seem to be just for 32-bit versions of Linux.
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HTML text input allow only numeric input
...alue); // Allow digits and '.' only, using a RegExp
});
See the JSFiddle demo for more input filter examples. Also note that you still must do server side validation!
TypeScript
Here is a TypeScript version of this.
function setInputFilter(textbox: Element, inputFilter: (value: string) => bo...
How to set the thumbnail image on HTML5 video?
...os = array();
if (isset($_POST["name"])) {
if (!preg_match('/data:([^;]*);base64,(.*)/', $_POST['data'], $matches)) {
die("error");
}
$data = $matches[2];
$data = str_replace(' ', '+', $data);
$data = base64_decode($data);
$file = 'text.jpg';
$dataname = file_put_contents($thumbs_dir . $fil...