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How do you remove an array element in a foreach loop?
... Note that the 3rd parameter should be ARRAY_FILTER_USE_KEY in order to pass the key as $e here.
– namezero
Feb 5 '18 at 12:13
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How to select a single field for all documents in a MongoDB collection?
...a method called `projection that you would append to your find function in order to project.
Following the same example set, commands like the following can be used with Node:
db.student.find({}).project({roll:1})
SELECT _id, roll FROM student
Or
db.student.find({}).project({roll:1, _id: 0})...
Advantages of using prototype, vs defining methods straight in the constructor? [duplicate]
...tances? This is because ins1 and ins2 share the same calc() function. In order to do this with public methods created during construction, you'd have to assign the new method to each instance that has been created, which is an awkward task. This is because ins1 and ins2 would have their own, indi...
How can I disable a button on a jQuery UI dialog?
...ied about the id being unique. Though you will have to type a bit more in order to search for the button: $("#dialog").dialog("widget").find(".button-ok-class").button("enable")
– desm
Jul 30 '13 at 9:28
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How to resolve git's “not something we can merge” error
...h that you want to merge. Git requires local knowledge of both branches in order to merge those branches. You can resolve this by checking out the branch to merge and then going back to the branch you want to merge into.
git checkout branch-name
git checkout master
git merge branch-name
This shou...
How to fix org.hibernate.LazyInitializationException - could not initialize proxy - no Session
...ion_context_class">thread</property>
in your configuration.
In order to overcome this problem you could change the configuration of session factory or open another session and only than ask for those lazy loaded objects. But what I would suggest here is to initialize this lazy collection...
Best TCP port number range for internal applications [closed]
...TCP port. What would be the best IANA port range to use for these apps in order to avoid port number collisions with any other process on the server?
...
DataTrigger where value is NOT null?
...neric and use ConverterParameter to pass in a value to compare against (in order to support both comparing to NOT null and NOT 3.
– J c
Dec 10 '08 at 16:56
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How does strtok() split the string into tokens in C?
...e first token is returned ('this') and p points to that token (string)
in order to get next token and to continue with the same string NULL is passed as first
argument since strtok maintains a static pointer to your previous passed string:
p = strtok(NULL," ");
p now points to 'is'
and so on un...
How to recursively find the latest modified file in a directory?
...
If order matters, you can switch use sort -rn | head -3 instead of sort -n | tail -3. One version gives the files from oldest to newest, while the other goes from newest to oldest.
– Don Faulkner
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