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Accessing last x characters of a string in Bash
...ffset evaluates to a number less than zero, the value is used as an offset
from the end of the value of parameter. If length evaluates to a number less than
zero, and parameter is not ‘@’ and not an indexed or associative array, it is
interpreted as an offset from the end of the value of paramet...
Global variables in Javascript across multiple files
...his JavaScript code I find myself in need of knowing if a certain function from helpers.js has been called.
8 Answers
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How do you properly determine the current script directory in Python?
...re the function, it will change the result. Also calling the python script from another directory will alter the result, so it's not a good solution.
– sorin
Nov 22 '11 at 11:41
2
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How do you execute an arbitrary native command from a string?
...cause the contents of the string are exactly how you would run it straight from a Powershell command prompt:
$command = 'C:\somepath\someexe.exe somearg'
iex $command
However, if the exe is in quotes, you need the help of & to get it running, as in this example, as run from the commandline:
...
How can I split up a Git commit buried in history?
... @wilhelmtell: I omitted my usual "potentially dangerous; see 'recovering from upstream rebase'" boilerplate because the OP explicitly said he hadn't pushed this history.
– Cascabel
Nov 29 '10 at 21:52
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notifyDataSetChange not working from custom adapter
When I repopulate my ListView , I call a specific method from my Adapter .
11 Answers
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Configure Flask dev server to be visible across the network
...hen I run an app in dev mode ( http://localhost:5000 ), I cannot access it from other machines on the network (with http://[dev-host-ip]:5000 ). With Rails in dev mode, for example, it works fine. I couldn't find any docs regarding the Flask dev server configuration. Any idea what should be configu...
Why fragments, and when to use fragments instead of activities?
...le by using includes). However; fragments are wired in to the Android API, from HoneyComb, and up. Let me elaborate;
The ActionBar. If you want tabs up there to navigate your app, you quickly see that ActionBar.TabListener interface gives you a FragmentTransaction as an input argument to the onTab...
onActivityResult() & onResume() [duplicate]
...
First calling onActivityResult() then onResume().
Quote from docs:
protected void onActivityResult (int
requestCode, int resultCode, Intent
data)
Since: API Level 1 Called when an
activity you launched exits, giving
you the requestCode you started it
with, the r...
What are the First and Second Level caches in Hibernate?
...cond level cache works. Here we can use
query level cache also.
Quoted from: http://javabeat.net/introduction-to-hibernate-caching/
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