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How to concatenate multiple lines of output to one line?
... through php exec function. It was ignoring tr, and just giving last match from grep. | xargs worked.
– Adarsha
Mar 26 '15 at 17:07
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What is the difference between parseInt(string) and Number(string) in JavaScript? [duplicate]
...of radix that Number() doesn't know of and parseInt() may indirectly guess from the given string (that can cause weird results sometimes).
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Why do we usually use || over |? What is the difference?
... If you add in about possible null reference exception using | from @Jeremy's comment then this is great answer.
– Peter Kelly
Aug 18 '11 at 7:55
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Difference between getDefaultSharedPreferences and getSharedPreferences
...edPreferences in fact uses Context.getSharedPreferences (below is directly from the Android source):
public static SharedPreferences getDefaultSharedPreferences(Context context) {
return context.getSharedPreferences(getDefaultSharedPreferencesName(context),
getDefaultSharedPreferencesMo...
How can I send an inner to the bottom of its parent ?
...t out of place, this one isolates the object you want to put at the bottom from the rest. Great solution!
– Alejandro Aristizábal
Apr 7 at 21:19
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What languages are Windows, Mac OS X and Linux written in?
...o knows what programming languages Windows, Mac OS X and Linux are made up from and what languages are used for each part of the OS (ie: Kernel, plug-in architecture, GUI components, etc).
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Actual examples for HATEOAS (REST-architecture) [closed]
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How about the Sun Cloud API? From the introduction:
The API presupposes no particular structure in the URI space. The starting point is a URI, supplied by the cloud service provider, which identifies the cloud itself. The cloud's representation conta...
Android: Align button to bottom-right of screen using FrameLayout?
... if it does not immediately reflect in the preview, try setting it from the design tab. usually works,
– yUdoDis
Jul 15 '15 at 18:31
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How to search and replace text in a file?
...ctions out of place. I disagree with the other posters suggesting you read from one file and write to another. Instead, I would read the file into memory, fix the data up, and then write it out to the same file in a separate step.
# Read in the file
with open('file.txt', 'r') as file :
filedata =...
Rails and PostgreSQL: Role postgres does not exist
...Lion, and am working on a rails app. I use RVM to keep everything separate from my other Rails apps.
13 Answers
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