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How to throw a C++ exception
...m exceptions make more sense then go for it. You may still want to derive from std::exception and keep the interface the same.
– nsanders
Dec 12 '11 at 21:02
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How to exit pdb and allow program to continue?
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embarassing, but this saved me from being stuck for too long -_-
– jmcg
Oct 25 '19 at 6:52
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How to iterate over rows in a DataFrame in Pandas
I have a DataFrame from Pandas:
22 Answers
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What is the recommended way to delete a large number of items from DynamoDB?
...as usual, see the ExclusiveStartKey parameter:
Primary key of the item from which to continue an earlier query. An
earlier query might provide this value as the LastEvaluatedKey if that
query operation was interrupted before completing the query; either
because of the result set size or th...
Effect of a Bitwise Operator on a Boolean in Java
...nswers, it's worth noting that && and || have different precedence from & and |.
Extract from the precedence table (with highest precedence at the top).
bitwise AND &
bitwise exclusive OR ^
bitwise inclusive OR |
logical AND &&
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Grepping a huge file (80GB) any way to speed it up?
... --pipe --block 10M grep -i -C 5 'db_pd.Clients'
It's not entirely clear from you question, but other options for grep include:
Dropping the -i flag.
Using the -F flag for a fixed string
Disabling NLS with LANG=C
Setting a max number of matches with the -m flag.
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JRuby on Rails vs. Ruby on Rails, what's difference?
... If you have Java class libraries (.jar's), you can reference and use them from within Ruby code with JRuby. In the other direction you can also call JRuby code from within Java. JRuby can also use the JVM and application server capabilities.
JRuby is usually hosted within Java application servers s...
Vim - how to run a command immediately when starting vim?
... *SHELL* *COMSPEC* *TERM*
2. Process the arguments
3. Execute Ex commands, from environment variables and/or files *vimrc* *exrc*
4. Load the plugin scripts. *load-plugins*
5. Set 'shellpipe' and 'shellredir'
6. Set 'updatecount' to zero, if "-n" command argument used...
Disabled UIButton not faded or grey
...lutions that change the look depending on control state like this and this from below are a much better idea. They're using the built in mechanism to achieve an automatic change, rather than needing to explicitly update the control's look depending on its state.
– Benjohn
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Shell script - remove first and last quote (") from a variable
Below is the snippet of a shell script from a larger script. It removes the quotes from the string that is held by a variable. I am doing it using sed, but is it efficient? If not, then what is the efficient way?
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