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Android: how do I check if activity is running?
...{
static boolean active = false;
@Override
public void onStart() {
super.onStart();
active = true;
}
@Override
public void onStop() {
super.onStop();
active = false;
}
}
The only gotcha is that if you use it in two act...
How to have the formatter wrap code with IntelliJ?
...l +Shift + S (for example) that do all this things:
Edit > Macros > Start Macro Recording (the recording will start). Click where you need.
For example:
Code > Reformat Code
Code > Auto-Indent Lines
Code > Optimize Imports
Code > Rearrange Code
File > Save All
... (all that y...
Regex: Remove lines containing “help”, etc
...is ! And one final question, can we do sed 'help/' to delete all the lines starting (not containing) with help?
– jeff
Mar 21 '14 at 20:15
3
...
“Remote System Explorer Operation” causing freeze for couple of seconds
...he steps:
Click on the Windows > Preferences menu
Select General > Startup and Shutdown in the tree
Uncheck RSE UI
Select Remote Systems in the tree
Uncheck Re-open Remote Systems view to previous state
Restart Eclipse
Note: You must have Eclipse 4.3.1 (or newer) due to a bug on previous v...
What kind of Garbage Collection does Go use?
...lem in Go 1.5")
To achieve the same heap growth limit the runtime must start garbage collection earlier, but how much earlier depends on many variables, many of which cannot be predicted.
Start the collector too early, and the application will perform too many garbage collections, wast...
Django - “no module named django.core.management”
...
Most probably in your manage.py the first line starts with !/usr/bin/python which means you are using the system global python rather than the one in your virtual environment.
so replace
/usr/bin/python
with
~/projectpath/venv/bin/python
and you should be good.
...
Is using Random and OrderBy a good shuffle algorithm?
... is to yield the numbers as soon as they are swapped. This will reduce the start-up cost, while keeping the iteration cost at O(1) (basically 5 operations per iteration). The total cost would remain the same, but the shuffling itself would be quicker. In cases where this is called as collection.Shuf...
Reset AutoIncrement in SQL Server after Delete
...
Issue the following command to reseed mytable to start at 1:
DBCC CHECKIDENT (mytable, RESEED, 0)
Read about it in the Books on Line (BOL, SQL help). Also be careful that you don't have records higher than the seed you are setting.
...
GDB corrupted stack frame - How to debug?
...al purpose registers and LR are stored in stack before the called function starts executing. Once the function finishes, the value of LR is poped into PC and hence the function returns. So If stack is corrupted, we can see a wrong value is PC right? In this case may be adjusting stack pointer will l...
How to evaluate http response codes from bash/shell script?
...status code 500 with an error message. Once this happens, it needs to be restarted.
12 Answers
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