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In MySQL, can I copy one row to insert into the same table?
...rd Challis's technique with a few changes:
CREATE TEMPORARY TABLE tmptable_1 SELECT * FROM table WHERE primarykey = 1;
UPDATE tmptable_1 SET primarykey = NULL;
INSERT INTO table SELECT * FROM tmptable_1;
DROP TEMPORARY TABLE IF EXISTS tmptable_1;
As a temp table, there should never be more than o...
Checkbox for nullable boolean
... to be given to the radio button field
var id = string.Format("{0}_{1}", metaData.PropertyName, item.Value);
// Create and populate a radio button using the existing html helpers
var label = htmlHelper.Label(id, HttpUtility.HtmlEncode(item.Text));
var radio = Stri...
Is there an exponent operator in C#?
...h.Pow() is not an operator an thus has not the same usages as an operator ._.
– Alexandre Daubricourt
Dec 30 '18 at 13:35
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How to configure Git post commit hook
...the git notes 'build' (git show refs/notes/build): git diff --name-only SHA_build HEAD.
your script can parse that list and decide if it needs to go on with the build.
in any case, create/move your git notes 'build' to HEAD.
May 2016: cwhsu points out in the comments the following possible url...
LINQ - Full Outer Join
...roper Expression<Func<>>. I supposed I could replace them with _, __, ___ instead, but that doesn't seem any clearer until C# has a proper parameter wildcard to use instead.
– NetMage
Jul 7 '17 at 23:23
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How to determine whether an object has a given property in JavaScript
...
Underscore.js or Lodash
if (_.has(x, "y")) ...
:)
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How to test android referral tracking?
... run in a terminal:
adb shell
am broadcast -a com.android.vending.INSTALL_REFERRER -n <your.package>/.<path.up.until.your.BroadcastReceiver> --es "referrer" "utm_source=test_source\&utm_medium=test_medium\&utm_term=test_term\&utm_content=test_content\&utm_campaign=test_...
Is it possible to implement dynamic getters/setters in JavaScript?
...e misread the question. The OP specifically asked for catch all like PHP's __get and __set. defineProperty doesn't handle that case. From the question: "I.e., create getters and setters for any property name which isn't already defined." (their emphasis). defineProperty defines properties in advance...
java.sql.SQLException: Incorrect string value: '\xF0\x9F\x91\xBD\xF0\x9F…'
...se 4-byte UTF8 with Connector/J configure the MySQL server with
character_set_server=utf8mb4. Connector/J will then use that setting
as long as characterEncoding has not been set in the connection
string. This is equivalent to autodetection of the character set.
Adjust your columns and datab...
What are the Dangers of Method Swizzling in Objective-C?
...e:(NSRect)frame;
@end
@implementation NSView (MyViewAdditions)
- (void)my_setFrame:(NSRect)frame {
// do custom work
[self my_setFrame:frame];
}
+ (void)load {
[self swizzle:@selector(setFrame:) with:@selector(my_setFrame:)];
}
@end
This works just fine, but what would happen if my...