大约有 44,000 项符合查询结果（耗时：0.0660秒） [XML]
How Can I Set the Default Value of a Timestamp Column to the Current Timestamp with Laravel Migratio
... function($table){
$table->increments('id');
$table->string('email', 255);
$table->string('given_name', 100);
$table->string('family_name', 100);
$table->timestamp('joined');
$table->enum('gender', ['male', 'female', 'unisex'])->de...
convert '1' to '0001' in JavaScript [duplicate]
...ve seen on SO before):
var str = "" + 1
var pad = "0000"
var ans = pad.substring(0, pad.length - str.length) + str
JavaScript is more forgiving than some languages if the second argument to substring is negative so it will "overflow correctly" (or incorrectly depending on how it's viewed):
That ...
C# properties: how to use custom set property without private field?
...
You can try something like this:
public string Name { get; private set; }
public void SetName(string value)
{
DoSomething();
this.Name = value;
}
share
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Why does javascript map function return undefined?
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You aren't returning anything in the case that the item is not a string. In that case, the function returns undefined, what you are seeing in the result.
The map function is used to map one value to another, but it looks you actually want to filter the array, which a map function is not s...
Show filename and line number in grep output
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grep -rin searchstring * | cut -d: -f1-2
This would say, search recursively (for the string searchstring in this example), ignoring case, and display line numbers. The output from that grep will look something like:
/path/to/result/file....
How to open a file for both reading and writing?
...ontent after the specified number of bytes. Imagine that your file has the string Hello, world and you write Bye. If you don't truncate() the content at the end will be Byelo, world, since you never deleted the text that existed in the file. truncate() truncates the file to the current fp.
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Stop Excel from automatically converting certain text values to dates
...luate the expression following it. In this case the expression is simply a string literal and the value of a string literal is the content of the string. Thus the quotation marks magically disappear. You can put =1+2+3 and get the value 6 after CSV import. The formula itself is not destroyed in the ...
Worst security hole you've seen? [closed]
...ernet, government sites in particular, pass an SQL query through the query string. It's the worst form of SQL injection, and it takes no effort at all to find vulnerable sites.
With minor tweaks, I've been able to find unprotected installations of phpMyAdmin, unprotected installations of MySQL, que...
UITextView style is being reset after setting text property
...ITextView (XcodeSetTextFormattingBugWorkaround)
- (void)setSafeText:(NSString *)textValue;
@end
implementation
@implementation UITextView (XcodeSetTextFormattingBugWorkaround)
- (void)setSafeText:(NSString *)textValue
{
BOOL selectable = [self isSelectable];
[self setSelectable:YES];
...
How to use split?
I need to break apart a string that always looks like this:
4 Answers
4
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