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Could not reserve enough space for object heap
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here is how to fix it:
Go to Start->Control Panel->System->Advanced(tab)->Environment Variables->System
Variables->New: Variable name: _JAVA_OPTIONS
Variable value: -Xmx512M
Variable name: Path
Variable value: %PATH%;C:\Program Files\J...
Xcode iOS project only shows “My Mac 64-bit” but not simulator or device
This just started happening that my iOS project is only showing "My Mac 64-bit" rather than the Simulator or my iPhone to build to. I have no idea why this is happening. I do not think that I have changed anything.
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Convert hex string to int in Python
...1, in <module>
NameError: name 'ffff' is not defined
Python numbers start with a numeric character, while Python names cannot start with a numeric character.
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Go to back directory browsing after opening file in vim
...ourceforge
:Explorer: opens the Explorer, same as :E (if not other command starting with E is defined (see stackoverflow), or as :Ex (see vim.wikia) (by @drug_user841417).
:b#: goes back to the "previously edited buffers". See vim.wikia
:e# or Ctrl-6 (or Ctrl-^): goes back to the "previously edited...
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...
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...
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
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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...
“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...