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Get the _id of inserted document in Mongo database in NodeJS
...ction.insert that will return the doc or docs inserted, which should have _ids.
Try:
collection.insert(objectToInsert, function(err,docsInserted){
console.log(docsInserted);
});
and check the console to see what I mean.
...
Get img thumbnails from Vimeo?
I want to get a thumbnail image for videos from Vimeo.
23 Answers
23
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Is SHA-1 secure for password storage?
...") under the assumption that many user passwords will be in that specially selected space.
Hence salting will at least prevent the attacker from using pre-computed tables, in particular pre-computed rainbow tables. This assumes that the attacker will be able to break one password or two; we do not ...
How to determine if a record is just created or updated in after_save
...king to use this for an after_save callback.
A simpler solution is to use id_changed? (since it won't change on update) or even created_at_changed? if timestamp columns are present.
Update: As @mitsy points out, if this check is needed outside of callbacks then use id_previously_changed?. See docs...
How to check edittext's text is email address or not?
...
/**
* method is used for checking valid email id format.
*
* @param email
* @return boolean true for valid false for invalid
*/
public static boolean isEmailValid(String email) {
String expression = "^[\\w\\.-]+@([\\w\\-]+\\.)+[A-Z]{2,4}$";
Pattern ...
Converting JSON data to Java object
... Google's Gson as a potential JSON plugin. Can anyone offer some form of guidance as to how I can generate Java from this JSON string?
Google Gson supports generics and nested beans. The [] in JSON represents an array and should map to a Java collection such as List or just a plain Java array. The ...
How can I convert this foreach code to Parallel.ForEach?
... Just wanted to point it out (more for the OP) so that there wasn't a misguided thought that it only works on List<T> ;)
– Reed Copsey
Sep 3 '12 at 17:21
1
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MySQL Update Inner Join tables query
I have no idea what the problem is. Using MySQL 5.0 I get a compile error when attempting to run the following MySQL update query:
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Understanding PrimeFaces process/update and JSF f:ajax execute/render attributes
...p:ajax process> <f:ajax execute>
The process attribute is server side and can only affect UIComponents implementing EditableValueHolder (input fields) or ActionSource (command fields). The process attribute tells JSF, using a space-separated list of client IDs, which components exactly must...
What is Unicode, UTF-8, UTF-16?
...takes 2 bytes in UTF-8, there are 5 reserved bits, leaving only 11 bits to select a code point. U+07FF ends up being the highest code point representable in 2 bytes.
– DPenner1
Oct 8 '14 at 3:40
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