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Catching an exception while using a Python 'with' statement
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from __future__ import with_statement
try:
with open( "a.txt" ) as f :
print f.readlines()
except EnvironmentError: # parent of IOError, OSError *and* WindowsError where available
print 'oops'
If you want d...
Benefits of EBS vs. instance-store (and vice-versa) [closed]
I'm unclear as to what benefits I get from EBS vs. instance-store for my instances on Amazon EC2. If anything, it seems that EBS is way more useful (stop, start, persist + better speed) at relatively little difference in cost...? Also, is there any metric as to whether more people are using EBS now ...
How to convert java.util.Date to java.sql.Date?
...gacy java.util.Date & java.sql.Date with JDBC 4.2 or later.
Convert to/from java.time if inter-operating with code not yet updated to java.time.
Example query with PreparedStatement.
myPreparedStatement.setObject(
… , // Specify the ordinal number ...
How can I remove a character from a string using Javascript?
...t it just isn't right.
All I would like to do is remove the character r from a string.
The problem is, there is more than one instance of r in the string.
However, it is always the character at index 4 (so the 5th character).
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How can I capitalize the first letter of each word in a string?
... which may not be the desired result:
>>> "they're bill's friends from the UK".title()
"They'Re Bill'S Friends From The Uk"
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How to exit from PostgreSQL command line utility: psql
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cntrl+D to exit from any where
– vidur punj
Jan 22 '18 at 14:41
1
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Can you break from a Groovy “each” closure?
Is it possible to break from a Groovy .each{Closure} , or should I be using a classic loop instead?
6 Answers
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How to read a text file reversely with iterator in C#
...a large file, around 400K lines and 200 M. But sometimes I have to process from bottom up. How can I use iterator (yield return) here? Basically I don't like to load everything in memory. I know it is more efficient to use iterator in .NET.
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PowerShell: Run command from script's directory
... $scriptpath
Write-host "My directory is $dir"
You can get a lot of info from $MyInvocation and its properties.
If you want to reference a file in the current working directory, you can use Resolve-Path or Get-ChildItem:
$filepath = Resolve-Path "somefile.txt"
EDIT (based on comment from OP):
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How to read data From *.CSV file using javascript?
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I was trying to read a .csv file from a mac. I was only able to get this script to recognize newline characters when I changed the first split to this var allTextLines = allText.split("\r"); After that it worked great! Thanks!
– Joe
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