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How to avoid 'cannot read property of undefined' errors?
...ing raises an exception (and rightfully so).
You can always do
try{
window.a.b.c
}catch(e){
console.log("YO",e)
}
But I wouldn't, instead think of your use case.
Why are you accessing data, 6 levels nested that you are unfamiliar of? What use case justifies this?
Usually, you'd like t...
Android: How to turn screen on and off programmatically?
...flags |= LayoutParams.FLAG_KEEP_SCREEN_ON;
params.screenBrightness = 0;
getWindow().setAttributes(params);
Does not turn the screen off in the traditional sense. It makes the screen as dim as possible. In the standard platform there is a limit to how dim it can be; if your device is actually all...
Pass correct “this” context to setTimeout callback?
...pass parameters to the function together after the delay:
var timeoutID = window.setTimeout(func, delay, [param1, param2, ...]);
So, you can do this:
var timeoutID = window.setTimeout(function (self) {
console.log(self);
}, 500, this);
This is better in terms of performance than a scope loo...
Forcing a WPF tooltip to stay on the screen
...he correct answer because this actually works on all supported versions of Windows and keeps it open for 49 days, which should be long enough :p
– TimothyP
Mar 30 '15 at 9:12
1
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Where are the Properties.Settings.Default stored?
...
In order to work with newer versions of Windows' policy of only allowing read access by default to the Program Files folder (unless you prompt for elevation with UAC, but that's another topic...), your application will have a settings folder under %userprofile%\app...
How to open a web page from my application?
...el="requireAdministrator" uiAccess="false" /> When I run the app under Windows 8 (where you cannot disable UAC anymore), I get the following exception when opening a web page: Win32Exception (0x80004005): Class not registered at System.Diagnostics.Process.StartWithShellExecuteEx
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What is the difference between a cer, pvk, and pfx file?
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Windows uses .cer extension for an X.509 certificate. These can be in "binary" (ASN.1 DER), or it can be encoded with Base-64 and have a header and footer applied (PEM); Windows will recognize either. To verify the integrity ...
WPF Textblock, linebreak in Text attribute
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The problem is that <LineBreak/> doesn't work on Windows XP. It may also have something to do with the .NET version installed. There are no exceptions and no errors other than the visual elements don't display correctly.
– Charles
Dec ...
set gvim font in .vimrc file
I am using gVim 7.2 on Windows 7. I can set the gui font as Consolas 10 (font size) from the menu. I am trying to set this in .vimrc file like below:
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How to do a simple file search in cmd
... to quickly search for a file given its name or part of its name, from the windows command line (not power shell). This is similar to opening explorer and using the search box at the top.
...