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How do I start Mongo DB from Windows?
I have installed MongoDB on my Windows 7 (64 bit) machine. I have created the path data/db too but when I tried to start mongodb using the command 'C:\mongodb\bin\mongod.exe' , it is not starting. It is showing admin web console waiting for connections on port 28017 .
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How is the java memory pool divided?
...ap memory
The heap memory is the runtime data area from which the Java VM allocates memory for all class instances and arrays. The heap may be of a fixed or variable size. The garbage collector is an automatic memory management system that reclaims heap memory for objects.
Eden Space: The pool fr...
How do I flush the cin buffer?
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@Nic - of course, this tells the code to ignore ALL characters until the amount specified. In the main example, it will ignore essentially until EOF (because INT_MAX is huge). As mentioned in the post, if you just want to ignore a single line, you need to specify an extr...
SQL - many-to-many table primary key
...at the table sorted, just the index. And the index won't be stored sequentially, it'll be stored in an efficient manner to be able to be retrieved quickly.
In addition, the vast majority of database tables are read far more often than written. That makes anything you do on the select side far more ...
Render a string in HTML and preserve spaces and linebreaks
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you can use css to change the style. i just wrote a really basic example. you can use <pre> tag or use css as per @pete's answer.
– N30
Feb 29 '12 at 2:30
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Check string for palindrome
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@Vijay Tholpadi - It's just really a coding preference more than anything else. Post increment would accomplish same result in this particular example, but I always use pre increment unless there's a specific reason not to.
– dcp
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Adjusting the Xcode iPhone simulator scale and size [duplicate]
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But in the smaller screens(MacBook Pro 15-Inch), I can't scale it more than the screen size sometimes if I want to see the UI elements more clearly. It's a kind of disadvantage in Xcode 9.
– Ashok
Se...
Stopping an Android app from console
...pm clear com.my.app.package, which will stop the app process and clear out all the stored data for that app.
If you're on Linux:
adb shell ps | grep com.myapp | awk '{print $2}' | xargs adb shell kill
That will only work for devices/emulators where you have root immediately upon running a shell....
How set background drawable programmatically in Android
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If you are using the support v4 library, the following will be enough for all versions.
ContextCompat.getDrawable(context, R.drawable.ready)
You will need to add the following in your app build.gradle
compile 'com.android.support:support-v4:23.0.0' # or any version above
Or using ResourceComp...
Call a function from another file?
...d file.py while importing. Just write from file import function, and then call the function using function(a, b). The reason why this may not work, is because file is one of Python's core modules, so I suggest you change the name of your file.
Note that if you're trying to import functions from a.p...