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What does Java option -Xmx stand for? [duplicate]
... in simple words, you are setting Java heap memory to a maximum of 1024 MB from the available memory, not more.
Notice there is NO SPACE between -Xmx and 1024m
It does not matter if you use uppercase or lowercase. For example: "-Xmx10G" and "-Xmx10g" do the exact same thing.
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restrict edittext to single line
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android:singleLine is now deprecated. From the documentation:
This constant was deprecated in API level 3.
This attribute is deprecated. Use maxLines instead to change the layout of a static text, and use the textMultiLine flag in the inputType attribute instead...
Android screen size HDPI, LDPI, MDPI [duplicate]
...ulator. 240 is hdpi, 160 is mdpi and below that are usually ldpi.
Extract from Android Developer Guide link above:
320dp: a typical phone screen (240x320 ldpi, 320x480 mdpi, 480x800 hdpi, etc).
480dp: a tweener tablet like the Streak (480x800 mdpi).
600dp: a 7” tablet (600x1024 mdpi).
720d...
Internet Explorer 11 detection
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To detect MSIE (from version 6 to 11) quickly:
if(navigator.userAgent.indexOf('MSIE')!==-1
|| navigator.appVersion.indexOf('Trident/') > -1){
/* Microsoft Internet Explorer detected in. */
}
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What is difference between instantiating an object using new vs. without
...on the heap (with the additional usefulness of scoped_ptr constraining you from copying non-copyable pointers):
scoped_ptr<Time> t(new Time(12, 0, 0));
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Git add and commit in one command
...app
git commit -m "message"
is an easy way to add all files to the index from a single dir, in this case the app dir.
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Mongo interface [closed]
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Official List from MongoDB
http://www.mongodb.org/display/DOCS/Admin+UIs
Web Based
For PHP, I'd recommend Rock Mongo. Solid, lots of great features, easy setup.
http://rockmongo.com/
If you don't want to install anything ... you can u...
Jaxb, Class has two properties of the same name
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That is correct I just removed the annotation from member and put it on setter level and it worked.
– Varun
Aug 3 '17 at 7:07
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Gem::LoadError for mysql2 gem, but it's already in Gemfile
... it's the wrong command and could have unintended consequences. (To revert from bundle update, run git checkout -- Gemfile.lock)
– Nick
Jun 8 '16 at 18:00
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How to print like printf in Python3?
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Simple printf() function from O'Reilly's Python Cookbook.
import sys
def printf(format, *args):
sys.stdout.write(format % args)
Example output:
i = 7
pi = 3.14159265359
printf("hi there, i=%d, pi=%.2f\n", i, pi)
# hi there, i=7, pi=3.14
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