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How to round to 2 decimals with Python?
...ces the format spec
0 enables sign-aware zero-padding for numeric types
.2 sets the precision to 2
f displays the number as a fixed-point number
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How to fix: “No suitable driver found for jdbc:mysql://localhost/dbname” error when using pools? [du
...der. ($CATALINA_HOME/lib)
I believe that the connection pool needs to be set up even before the application is instantiated. (At least that's how it works in Jboss)
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What does a just-in-time (JIT) compiler do?
... a form that's usually faster, typically the host CPU's native instruction set. A JIT has access to dynamic runtime information whereas a standard compiler doesn't and can make better optimizations like inlining functions that are used frequently.
This is in contrast to a traditional compiler that ...
How do you search an amazon s3 bucket?
... SimpleDB. Here you have sql like select statements. In case of large data sets you may hit SimpleDB limits, which can be overcome (partition metadata across multiple SimpleDB domains), but if you go really far, you may need to use another metedata type of database.
Sequential full text search of th...
How to modify existing, unpushed commit messages?
...change the commit message of the most recent commit. Additionally, you can set the commit message directly in the command line with:
git commit --amend -m "New commit message"
…however, this can make multi-line commit messages or small corrections more cumbersome to enter.
Make sure you don't hav...
Import CSV to SQLite
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Why are you setting .mode? Isn't that only for output?
– Alan
Jun 3 '16 at 17:51
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Returning unique_ptr from functions
...nique_ptr
}
...
auto int_uptr = get_unique(); // <- 3
With the flag set on compilation there are two moves (1 and 2) happening in this function and then one move later on (3).
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After submitting a POST form open a new window showing the result
...
Add
<form target="_blank" ...></form>
or
form.setAttribute("target", "_blank");
to your form's definition.
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Hash collision in git
... "Birthday Problem", which states that when you pick randomly from a given set, you need surprisingly few picks before you are more likely than not to have picked something twice. But "surprisingly few" is a very relative term here.
Wikipedia has a table on the probability of Birthday Paradox collis...
Dismiss keyboard by touching background of UITableView
... As a solution bellow points out you can make this work much better by setting: gestureRecognizer.cancelsTouchesInView = NO;
– Zebs
Feb 14 '11 at 17:23
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