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What's the difference between `1L` and `1`?
I often seen the symbol 1L (or 2L , 3L , etc) appear in R code. Whats the difference between 1L and 1 ? 1==1L evaluates to TRUE . Why is 1L used in R code?
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Java SE 6 vs. JRE 1.6 vs. JDK 1.6 - What do these mean?
...uild 1.6.0_07-b06"), and the HotSpot version (on mine, that's "build 10.0-b23, mixed mode"). I suspect the "11.0" you are seeing is the HotSpot version.
Update: HotSpot is (or used to be, now they seem to use it to mean the whole VM) the just-in-time compiler that is built in to the Java Virtual M...
Call a python function from jinja2
I am using jinja2, and I want to call a python function as a helper, using a similar syntax as if I were calling a macro. jinja2 seems intent on preventing me from making a function call, and insists I repeat myself by copying the function into a template as a macro.
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Is there a better way to dynamically build an SQL WHERE clause than by using 1=1 at its beginning?
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Storing SHA1 hash values in MySQL
...racters. But if you use 8 bit per character, you would only need a 160/8 = 20 character long field.
So I recommend you to use BINARY(20) and the UNHEX function to convert the SHA1 value to binary.
I compared storage requirements for BINARY(20) and CHAR(40).
CREATE TABLE `binary` (
`id` int un...
How to add a 'or' condition in #ifdef
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#if defined(CONDITION1) || defined(CONDITION2)
should work. :)
#ifdef is a bit less typing, ...
Nginx serves .php files as downloads, instead of executing them
...ome .php file it's just downloading it...
for example... http://5.101.99.123/info.php it's working but... If I go to the main http://5.101.99.123 it's downloading my index.php :/
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Java: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification
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Add an element to an array in Swift
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answered Jun 2 '14 at 20:33
Mick MacCallumMick MacCallum
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what is the difference between 'transform' and 'fit_transform' in sklearn
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The .transform method is meant for when you have already computed PCA, i.e. if you have already...