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Find which version of package is installed with pip
...kages
Requires: markupsafe
In older versions, pip freeze and grep should do the job nicely.
$ pip freeze | grep Jinja2
Jinja2==2.7.3
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How to execute IN() SQL queries with Spring's JDBCTemplate effectivly?
I was wondering if there is a more elegant way to do IN() queries with Spring's JDBCTemplate. Currently I do something like that:
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Formatting a number with exactly two decimals in JavaScript
..."2.40"
Note that toFixed() returns a string.
IMPORTANT: Note that toFixed does not round 90% of the time, it will return the rounded value, but for many cases, it doesn't work.
For instance:
2.005.toFixed(2) === "2.00"
UPDATE:
Nowadays, you can use the Intl.NumberFormat constructor. It's part of th...
Why can't an anonymous method be assigned to var?
...no Func<T> type that takes a ref anything.
var x2 = y=>123;
We don't know the type of the formal parameter, though we do know the return. (Or do we? Is the return int? long? short? byte?)
var x3 = (int y)=>null;
We don't know the return type, but it can't be void. The return type c...
Adding a column to a data.frame
...col"] <- a.vector
Since the method for data.frame assumes that if you don't specify if you're working with columns or rows, it will assume you mean columns.
For your example, this should work:
# make some fake data
your.df <- data.frame(no = c(1:4, 1:7, 1:5), h_freq = runif(16), h_freqsq...
How to install Android SDK Build Tools on the command line?
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By default, the SDK Manager from the command line does not include the build tools in the list. They're in the "obsolete" category. To see all available downloads, use
android list sdk --all
And then to get one of the packages in that list from the command line, use:
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How can I convert a hex string to a byte array? [duplicate]
...we convert a hex string to a byte array using a built-in function in C# or do I have to make a custom method for this?
4 An...
Debugging JavaScript in IE7
...lper is very good.
The IE Dev Toolbar is often helpful, but unfortunately doesn't do script debugging
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How to set a JVM TimeZone Properly
... instead of an OS defined timezone. My JDK version is 1.5 and the OS is Windows Server Enterprise (2007)
7 Answers
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Gdb print to file instead of stdout
...move around with ease. With all gdb's versatility, there must be a way to do this, right?
8 Answers
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