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Is It Possible to Sandbox JavaScript Running In the Browser?
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A quick test shows that Caja is unable to protect the browser from CPU attacks like while (1) {} --- it just hangs. Likewise a=[]; while (1) { a=[a,a]; }.
– David Given
Apr 3 '14 at 22:45
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C++ Const Usage Explanation
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Read this: https://isocpp.org/wiki/faq/const-correctness
The final const means that the function Method3 does not modify the non mutable members of its class.
const int* const means a constant pointer to a constant int: i.e. a pointer that cannot be changed, t...
Are there console commands to look at whats in the queue and to clear the queue in Sidekiq?
...to using delayed_jobs method of going into the console to see whats in the queue, and the ease of clearing the queue when needed. Are there similar commands in Sidekiq for this? Thanks!
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Import CSV to mysql table
What is the best/fastest way to upload a csv file into a mysql table? I would like for the first row of data be used as the column names.
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Setting ANDROID_HOME enviromental variable on Mac OS X
...e Ant(TM) version 1.9.4 $ cordova --version 4.0.0 error is: node_modules/q/q.js:126 throw e;
– mylord
Nov 6 '14 at 15:14
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Is there a way to run Python on Android?
...this past week attempting to write a game. Their main developers were very quick to answer questions on IRC however if you've programmed a GUI before Kivy will make you say WTF quite a bit. Some examples of undocumented things that were weird for me: All widgets get every on_touch_down event even if...
Find and Replace Inside a Text File from a Bash Command
...t an invalid command code C error... For in-place replacements, BSD sed requires a file extension after the -i flag because it saves a backup file with the given extension. For example: sed -i '.bak' 's/find/replace/' /file.txt You can skip the backup by using an empty string like so: sed -i '' '...
How to select from subquery using Laravel Query Builder?
I'd like to get value by the following SQL using Eloquent ORM.
7 Answers
7
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Insert a line at specific line number with sed or awk
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An ed answer
ed file << END
8i
Project_Name=sowstest
.
w
q
END
. on its own line ends input mode; w writes; q quits. GNU ed has a wq command to save and quit, but old ed's don't.
Further reading: https://gnu.org/software/ed/manual/ed_manual.html
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if else in a list comprehension [duplicate]
... I found that if putting the condition in the beginning, then it requires both if and else (it must yield an element) - but putting it at the end, requires the if only (you can't put an else there).
– Jeppe
Dec 9 '18 at 13:07
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