大约有 3,000 项符合查询结果（耗时：0.0096秒） [XML]
Mark parameters as NOT nullable in C#/.NET?
... there a simple attribute or data contract that I can assign to a function parameter that prevents null from being passed in C#/.NET? Ideally this would also check at compile time to make sure the literal null isn't being used anywhere for it and at run-time throw ArgumentNullException .
...
Preferred Java way to ping an HTTP URL for availability
...gt;true</code> if the response code is in
* the 200-399 range.
* @param url The HTTP URL to be pinged.
* @param timeout The timeout in millis for both the connection timeout and the response read timeout. Note that
* the total timeout is effectively two times the given timeout.
* @return...
Are PDO prepared statements sufficient to prevent SQL injection?
...prevent this attack for every possible command!
It's now exposed as a DSN parameter, which should be used instead of SET NAMES...
The Saving Grace
As we said at the outset, for this attack to work the database connection must be encoded using a vulnerable character set. utf8mb4 is not vulnerable...
Is there an easy way to create ordinals in C#?
...ww.wisegeek.com/what-is-an-ordinal-number.htm
/// </remarks>
/// <param name="number">The number.</param>
/// <returns>Ordinal value of positive integers, or <see cref="int.ToString"/> if less than 1.</returns>
public static string Ordinal(this int number)
{
c...
What are the differences between the threading and multiprocessing modules?
...gv[1])
sleep = 1
cpu_count = multiprocessing.cpu_count()
input_params = [
(CpuThread, cpu_n_iters),
(CpuProcess, cpu_n_iters),
(IoThread, sleep),
(IoProcess, sleep),
]
header = ['nthreads']
for thread_class, _ in input_params:
header.ap...
Check if an array contains any element of another array in JavaScript
...n determine if an array contains one or more items from another array.
* @param {array} haystack the array to search.
* @param {array} arr the array providing items to check for in the haystack.
* @return {boolean} true|false if haystack contains at least one item from arr.
*/
var findOne = func...
Eclipse hangs on loading workbench
...
# usage: ceclipse
#
#
# error
#
# show an error message and exit
#
# params:
# 1: l_msg - the message to display
error() {
local l_msg="$1"
echo "error: $l_msg" 1>&2
exit 1
}
#
# autoinstall
#
# check that l_prog is available by calling which
# if not available install fro...
pyplot axes labels for subplots
...nes['left'].set_color('none')
ax.spines['right'].set_color('none')
ax.tick_params(labelcolor='w', top=False, bottom=False, left=False, right=False)
ax1.loglog(x, y1)
ax2.loglog(x, y2)
# Set common labels
ax.set_xlabel('common xlabel')
ax.set_ylabel('common ylabel')
ax1.set_title('ax1 title')
ax2....
n-grams in python, four, five, six grams?
...case of trigrams where the max length should be 3 then you can use max_len param to specify it.
>>> list(everygrams(msg_split, max_len=2))
[('who',), ('let',), ('the',), ('dogs',), ('out',), ('who', 'let'), ('let', 'the'), ('the', 'dogs'), ('dogs', 'out')]
You can just modify the max_len...
Facebook share link without JavaScript
...t;
Currently there is no sharing option without passing current url as a parameter. You can use an indirect way to achieve this.
Create a server side page for example: "/sharer.aspx"
Link this page whenever you want the share functionality.
In the "sharer.aspx" get the refering url, and redirect...