大约有 30,000 项符合查询结果（耗时：0.0415秒） [XML]
What is the equivalent of Java's final in C#?
...
@jocull With strings being the only exception.
– Raimund Krämer
Dec 19 '18 at 15:26
|
...
How to change the Content of a with Javascript
...
Like this:
document.getElementById('myTextarea').value = '';
or like this in jQuery:
$('#myTextarea').val('');
Where you have
<textarea id="myTextarea" name="something">This text gets removed</textarea>
For all the downvoters and non-bel...
find: missing argument to -exec
... Instead, you can pass additional parameters to the shell after -c command_string (see man sh):
$ ls
$(echo damn.)
$ find * -exec sh -c 'echo "{}"' \;
damn.
$ find * -exec sh -c 'echo "$1"' - {} \;
$(echo damn.)
You see the $ thing is evaluated by the shell in the first example. Imagine there was...
Git Bash is extremely slow on Windows 7 x64
...ve decided to redefine '__git_ps1()' in my ~/.bashrc, and just print empty string. It speeds up all the Bash commands.
– ajukraine
Jun 9 '13 at 18:47
Matplotlib plots: removing axis, legends and white spaces
...that newer versions of matplotlib may require bbox_inches=0 instead of the string 'tight' (via @episodeyang and @kadrach)
from numpy import random
import matplotlib.pyplot as plt
data = random.random((5,5))
img = plt.imshow(data, interpolation='nearest')
img.set_cmap('hot')
plt.axis('off')
plt.sa...
SQL - Select first 10 rows only?
...
SELECT *
FROM (SELECT ROW_NUMBER () OVER (ORDER BY user_id) user_row_no, a.* FROM temp_emp a)
WHERE user_row_no > 1 and user_row_no <11
This worked for me.If i may,i have few useful dbscripts that you can have look at
Useful Dbscripts
...
commandButton/commandLink/ajax action/listener method not invoked or input value not set/updated
...auses.
Possible causes
UICommand and UIInput components must be placed inside an UIForm component, e.g. <h:form> (and thus not plain HTML <form>), otherwise nothing can be sent to the server. UICommand components must also not have type="button" attribute, otherwise it will be a dead bu...
JavaScript: Object Rename Key
... convert an API response that was prefixing Country Names with unnecessary string. Turned Object into array of keys and mapped through each key with substring method and returned a new object with new key and value indexed by original key
– Akin Hwan
Feb 10 '18...
How to compare two floating point numbers in Bash?
...are compared as numbers and fractional parts are intentionally compared as strings. Variables are split into integer and fractional parts using this method.
Won't compare floats with integers (without dot).
share
|...
How to check size of a file using Bash?
...
[ -n file.txt ] doesn't check its size, it checks that the string file.txt is non-zero length, so it will always succeed.
If you want to say "size is non-zero", you need [ -s file.txt ].
To get a file's size, you can use wc -c to get the size (file length) in bytes:
file=file.txt
...