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Difference between matches() and find() in Java Regex
...ode (index to index as specified by the regex[single character] to find at least one match. If such match is found, it will be indexed then the loop will execute based on the indexed result else if it didn't do ahead calculation like which matches(); does not. The while statement would never execute...
MySQL: Large VARCHAR vs. TEXT?
...alue on a given row fits in the page size (16KB and each page must hold at least two rows). If the string is too large for that, it overflows to additional pages. See mysqlperformanceblog.com/2010/02/09/blob-storage-in-innodb for a detailed explanation.
– Bill Karwin
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What makes a SQL statement sargable?
By definition (at least from what I've seen) sargable means that a query is capable of having the query engine optimize the execution plan that the query uses. I've tried looking up the answers, but there doesn't seem to be a lot on the subject matter. So the question is, what does or doesn't make...
What is the proper way to re-throw an exception in C#? [duplicate]
...t generate the exception itself. With the original stack trace, you can at least find the point where the exception is generated to see exactly why it was thrown.
– Søren Boisen
Dec 30 '15 at 14:22
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Difference between shadowing and overriding in C#?
...noted in the comments to this answer that the above may be dangerous or at least not particularly useful. I would say yes it can be dangerous and would be out there if it were at all useful.
In particular you could get into all sorts of trouble if you also change the accessability modifiers. For ...
Calculate relative time in C#
...calculation, but a day to day calculation. So yes, this is a wrong code at least in two frequent case.
– CtrlX
Sep 26 '13 at 15:47
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Printf width specifier to maintain precision of floating-point value
...decimal solution: use %a.
OP wants “print with maximum precision (or at least to the most significant decimal)”.
A simple example would be to print one seventh as in:
#include <float.h>
int Digs = DECIMAL_DIG;
double OneSeventh = 1.0/7.0;
printf("%.*e\n", Digs, OneSeventh);
// 1.4285714...
Is there a way to define a min and max value for EditText in Android?
... of an EditText's value with simple use of the class InputFilterMinMax, at least not for the min Value, because when user is typing a positive number, the value goes growing and we can easily perform an on-the-fly test to check if it's reached the limit or went outside the range and block entries th...
How to verify that a specific method was not called using Mockito?
...n of this feature is there §4 "Verifying exact number of invocations / at least x / never", and the never javadoc is here.
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Why invoke Thread.currentThread.interrupt() in a catch InterruptException block?
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I would consider it a bad practice or at least a bit risky.
Usually higher level methods do not perform blocking operations and they will never see InterruptedException there. If you mask it in every place you perform interruptible operation, you will never get it.
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