大约有 32,000 项符合查询结果（耗时：0.0289秒） [XML]
Convert from ASCII string encoded in Hex to plain ASCII?
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i'm just having fun, but the important parts are:
>>> int('0a',16) # parse hex
10
>>> ''.join(['a', 'b']) # join characters
'ab'
>>> 'abcd'[0::2] # alternates
'ac'
>>> zip('abc', '123') ...
How can I convert byte size into a human-readable format in Java?
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I prefer 1.0 KB. Then it's clear how many significant figures the output entails. (This also seems to be the behavior of for instance the du command in Linux.)
– aioobe
Sep 21 '10 at 14:48
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Why do I need to do `--set-upstream` all the time?
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It does, but then when you try to pull you'll have to specify from where. The -u sets up the branch tracking between origin and your local repo.
– Zamith
May 29 '17 at 15:02
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Static Initialization Blocks
...static Object stuff = getStuff(); // Won't compile: unhandled exception.
then a static initializer is useful here. You can handle the exception there.
Another example is to do stuff afterwards which can't be done during assigning:
private static Properties config = new Properties();
static {
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Entity Framework 5 Updating a Record
... {
Context.Entry(obj).Property(p).IsModified = true;
}
}
And then to call, for example:
public void UpdatePasswordAndEmail(long userId, string password, string email)
{
var user = new User {UserId = userId, Password = password, Email = email};
Update(user, u => u.Password,...
How to get element by innerText
...Text';
// directly converting the found 'a' elements into an Array,
// then iterating over that array with Array.prototype.forEach():
[].slice.call(document.querySelectorAll('a'), 0).forEach(function(aEl) {
// if the text of the aEl Node contains the text 'link1':
if (aEl[textProp].indexO...
How do I empty an array in JavaScript?
...ng globals, which is bad. If you're providing your code for others to use, then it should have no unforeseen side effects. Imagine if another library also modified the Array.prototype and it was doing something slightly different, then all throughout your code [].clear() was slightly wrong. This wou...
Visual Studio debugging “quick watch” tool and lambda expressions
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Just to clarify, you "Import System.Linq.Dynamic" and then in the debug window you write '"Where(something.AsQueryable,"property>xyz",nothing)'
– smirkingman
Jun 6 '14 at 13:24
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Get output parameter value in ADO.NET
...irection to Output, and add it to the SqlCommand's Parameters collection. Then execute the stored procedure and get the value of the parameter.
Using your code sample:
// SqlConnection and SqlCommand are IDisposable, so stack a couple using()'s
using (SqlConnection conn = new SqlConnection(connec...
Value Change Listener to JTextField
...working fine but i have a query that, when i insert some text in textfield then i want to call a method. i do not have much idea about how it is done..
– user4022749
Mar 14 '15 at 11:21
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