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Android Studio Google JAR file causing GC overhead limit exceeded error
... new issue is caused by the latest version of Android.
Go to your project root folder, open gradle.properties, and add the following options:
org.gradle.daemon=true
org.gradle.jvmargs=-Xmx2048m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
org.gradle.parallel=true
o...
App Inventor 2 数学代码块 · App Inventor 2 中文网
...andom set seed to)
最小值 (min)
最大值 (max)
平方根 (square root)
绝对值 (abs)
相反数 (neg)
对数 (log)
e^
四舍五入 (round)
上取整 (ceiling)
下取整 (floor)
求模 (modulo)
余数 (remainder)
商 (quotient)
正弦 (sin)
余弦 (cos)
正切 (ta...
When does a process get SIGABRT (signal 6)?
... other signal. Of course, the sending process needs to run as same user or root.
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Using Node.js only vs. using Node.js with Apache/Nginx
...
Not having to worry about privileges/setuid for the Node.js process. Only root can bind to port 80 typically. If you let nginx/Apache worry about starting as root, binding to port 80, and then relinquishing its root privileges, it means your Node app doesn't have to worry about it.
Serving static f...
'sudo gem install' or 'gem install' and gem locations
...rse than just gem install is because it installs the gems for ALL USERS as root. This might be fine if you're the only person using the machine, but if you're not it can cause weirdness.
If you decide you want to blow away all your gems and start again it's much easier, and safer, to do so as a no...
How to delete the contents of a folder?
...bolic links, should work on Windows as well.
import os
import shutil
for root, dirs, files in os.walk('/path/to/folder'):
for f in files:
os.unlink(os.path.join(root, f))
for d in dirs:
shutil.rmtree(os.path.join(root, d))
...
How do I find and view a TFS changeset by comment text?
...pps/add-ons needed:
Open Source Control Explorer
"View History" from the root of TFS server
Scroll to the bottom (it's fast with hitting "End" button continuously)
Select all records, copy
Open Excel and paste
Now the Excel will allow you to search through comments (Excel's a native app, don't a...
How do I create a custom iOS view class and instantiate multiple copies of it (in IB)?
...property to self. We extract the first object in the array and that is the root view of the Nib. We add the view as a subview and Voila it's on screen.
Obviously this just changes the label's background color when the buttons are pushed, but this example should get you well on your way.
Notes base...
Make Iframe to fit 100% of container's remaining height
...;
padding: 0px;
}
/* iframe's parent node */
div#root {
position: fixed;
width: 100%;
height: 100%;
}
/* iframe itself */
div#root > iframe {
display: block;
width: 100%;
height: 100%;
border...
Random “Element is no longer attached to the DOM” StaleElementReferenceException
... until it's no longer considered stale (fresh?). Doesn't really get to the root of the problem, but I've found that the WebDriver can be rather picky about throwing this exception -- sometimes I get it, and sometimes I don't. Or it could be that the DOM really is changing.
So I don't quite agree wi...