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Eclipse says: “Workspace in use or cannot be created, chose a different one.” How do I unlock a work
... no other instances are running? Come to think of it, the .lock file would then become obsolete instantly! Lastly, other editors are in no way blocked from opening files in the workspace so its useless to begin with. I truly hate you Eclipse!
– pauluss86
May 1...
Pointer to pointer clarification
...doing is *ipp get the object at the address held in ipp which is ip1 and then assign to ip1 the value stored in ip2, which is the address of j.
Simply
& --> Address of
* --> Value at
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How to change menu item text dynamically in Android
...lling this from anywhere in your Activity,
invalidateOptionsMenu();
and then overriding:
@Override
public boolean onPrepareOptionsMenu(Menu menu) {
MenuItem item = menu.findItem(R.id.bedSwitch);
if (item.getTitle().equals("Set to 'In bed'")) {
item.setTitle("Set to 'Out of bed'");
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MySQL JOIN the most recent row only?
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You are directly joining 2 tables first and then filtering with WHERE. I think it is a massive performance issue if you have a million client and tens of millions of calling history. Because SQL will try to join 2 tables first and then filter down to the single client....
XAMPP - MySQL shutdown unexpectedly
... right click on /mysql/data/ and select Restore previous versions. You can then delete the current contents of the folder and replace it with the older version's contents.
Addendum: To ensure that you don't forget to run XAMPP as an administrator you can right click the XAMPP shortcut, go to Proper...
Using Laravel Homestead: 'no input file specified'
... This method is working also you can try vagrant destroy and vagrant up then i make all configurations and it much more cleaner.
– George Plamenov Georgiev
Mar 25 '18 at 10:41
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Django template how to look up a dictionary value with a variable
...bsent, it returns none. If you do dictionary[key] it will raise a KeyError then.)
usage:
{{ mydict|get_item:item.NAME }}
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How does Java handle integer underflows and overflows and how would you check for it?
...e same checks for long)
If you think that this may occur more than often, then consider using a datatype or object which can store larger values, e.g. long or maybe java.math.BigInteger. The last one doesn't overflow, practically, the available JVM memory is the limit.
If you happen to be on Jav...
What's wrong with cplusplus.com?
... a member function on that container.
So if you want to remove the items, then use Erase-Remove Idiom:
v.erase(std::remove(v.begin(), v.end(), 10), v.end());
But cplusplus.com gives incorrect information about std::remove. It says
Notice that this function does not alter the elements past ...
Get element inside element by class and ID - JavaScript
...get the first one (that's what the [0] is for—it's just like an array).
Then, you can change the html with .textContent.
targetDiv.textContent = "Goodbye world!";
var targetDiv = document.getElementById("foo").getElementsByClassName("bar")[0];
targetDiv.textContent = "Goodbye world!";
&l...