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Django. Override save for model
Before saving model I'm re-size a picture. But how can I check if new picture added or just description updated, so I can skip rescaling every time the model is saved?
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Undoing a commit in TortoiseSVN
I committed a bunch of files (dozens of files in different folders) by accident. What is the easiest, cleanest (and safest!) way to 'undo' that commit without having to delete the files from my working directory?
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HTML Script tag: type or language (or omit both)?
... following error:
Line 4, Column 41: required attribute "type" not specified
So if you're a fan of standards, use it. It should have no practical effect, but, when in doubt, may as well go by the spec.
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What are all the valid self-closing elements in XHTML (as implemented by the major browsers)?
...iv/>, <script/>, <br></br> all should work just fine. If they don't, then you have HTML with inappropriately added XHTML DOCTYPE.
DOCTYPE does not change how document is interpreted. Only MIME type does.
W3C decision about ignoring DOCTYPE:
The HTML WG has discussed this ...
Docker EXPOSE a port only to Host
... binds to localhost, yes. The first one makes the port publicly available. If you don't want a static port, use 127.0.0.1::27017.
– ZeissS
Mar 1 '14 at 8:59
3
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SQL-Server: The backup set holds a backup of a database other than the existing
...ile
providing the source to restore.
Also change the file names at "Files" if the other database still exists. Otherwise you get "The file '...' cannot be overwritten. It is being used by database 'yourFirstDb'".
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How can I get a favicon to show up in my django app?
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If you have a base or header template that's included everywhere why not include the favicon there with basic HTML?
<link rel="shortcut icon" type="image/png" href="{% static 'favicon.ico' %}"/>
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Trusting all certificates with okHttp
...lient() {
try {
// Create a trust manager that does not validate certificate chains
final TrustManager[] trustAllCerts = new TrustManager[] {
new X509TrustManager() {
@Override
public void checkClientTrusted(java.security.cert.X509Certificate[] chain, String aut...
How do I return early from a rake task?
I have a rake task where I do some checks at the beginning, if one of the checks fails I would like to return early from the rake task, I don't want to execute any of the remaining code.
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How to implement a tree data-structure in Java? [closed]
...sistently using the Node class. Instead I name a variable 'tree' or 'root' if it needs to be clear that you are dealing with the root Node of a tree.
– jvdbogae
Oct 9 '12 at 7:43
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