大约有 16,000 项符合查询结果（耗时：0.0288秒） [XML]
In Ruby how do I generate a long string of repeated text?
...ts. It certainly could (for example, automatically making a best-effort to convert the argument to a FixNum) but the language designers decided against embracing Ruby's Perlish inspirations too fully.
– FMc
Jan 15 '17 at 2:12
...
How to toggle a value in Python
...
The not operator negates your variable (converting it into a boolean if it isn't already one). You can probably use 1 and 0 interchangeably with True and False, so just negate it:
toggle = not toggle
But if you are using two arbitrary values, use an inline if:
...
form serialize javascript (no framework)
...If conformance is required, a regular expression can be used at the end to convert "%20" to "+" before transmission.
– RobG
Jul 26 '12 at 1:56
...
Why does pycharm propose to change method to static
The new pycharm release (3.1.3 community edition) proposes to convert the methods that don't work with the current object's state to static.
...
Java: Static vs inner class [duplicate]
...stance.
See this example
class A
{
class B
{
// static int x; not allowed here
}
static class C
{
static int x; // allowed here
}
}
class Test
{
public static void main(String… str)
{
A a = new A();
// Non-Static Inner Class
...
How to launch an Activity from another Application in Android
...ed package from my Android application. I assume that it is possible using intents, but I didn't find a way of doing it. Is there a link, where to find the information?
...
How to store a dataframe using Pandas
...at you keep the pandas table in memory as you edit and reload your script.
convert the csv to an HDF5 table
updated use DataFrame.to_feather() and pd.read_feather() to store data in the R-compatible feather binary format that is super fast (in my hands, slightly faster than pandas.to_pickle() on num...
Input and Output binary streams using JERSEY?
...
This consumes all bytes into memory, which means large files could bring down the server. The purpose of streaming is to avoid consuming all bytes into memory.
– Robert Christian
Jan 15 '16 at 0:34
...
How do I space out the child elements of a StackPanel?
...n case you would want to re-use the margin between two containers, you can convert the margin value to a resource in an outer scope, f.e.
<Window.Resources>
<Thickness x:Key="tbMargin">0,10,0,0</Thickness>
</Window.Resources>
and then refer to this value in the inner s...
How to make an AJAX call without jQuery?
...error...
});
If you need to load a json file you can use JSON.parse() to convert the loaded data into an JS Object.
You can also integrate req.responseType='json' into the function but unfortunately there is no IE support for it, so I would stick with JSON.parse().
...