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How do I recover/resynchronise after someone pushes a rebase or a reset to a published branch?
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answered Nov 3 '10 at 7:08
Aristotle PagaltzisAristotle Pagaltzis
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SQL UPDATE all values in a field with appended string CONCAT not working
... linda |
| 3 | sam |
| 4 | henry |
+------+-------+
4 rows in set (0.02 sec)
mysql> update t set data=concat(data, 'a');
Query OK, 4 rows affected (0.01 sec)
Rows matched: 4 Changed: 4 Warnings: 0
mysql> select * from t;
+------+--------+
| id | data |
+------+--------+
| 1 ...
What makes a SQL statement sargable?
...a function in the where clause:
SELECT ... FROM ...
WHERE Year(myDate) = 2008
The SQL optimizer can't use an index on myDate, even if one exists. It will literally have to evaluate this function for every row of the table. Much better to use:
WHERE myDate >= '01-01-2008' AND myDate < '01-0...
What breaking changes are introduced in C++11?
...DIS has a section for incompatibilities, at appendix C.2 "C++ and ISO C++ 2003".
Summary, paraphrasing the FDIS here, to make it (better) suitable as a SO answer. I added some examples of my own to illustrate the differences.
There are a few library-related incompatibilities where I don't exactly...
Can I hide the HTML5 number input’s spin box?
...vely hides the spin-button for webkit browsers (have tested it in Chrome 7.0.517.44 and Safari Version 5.0.2 (6533.18.5)):
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
/* display: none; <- Crashes Chrome on hover */
-webkit-appearance: none;
margin: 0;...
How to find event listeners on a DOM node when debugging or from the JavaScript code?
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508
If you just need to inspect what's happening on a page, you might try the Visual Event bookmark...
Iterate over a Javascript associative array in sorted order
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10 Answers
10
Active
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In C, how should I read a text file and print all strings
...chunks, but without dynamic memory allocation, you can do:
#define CHUNK 1024 /* read 1024 bytes at a time */
char buf[CHUNK];
FILE *file;
size_t nread;
file = fopen("test.txt", "r");
if (file) {
while ((nread = fread(buf, 1, sizeof buf, file)) > 0)
fwrite(buf, 1, nread, stdout);
...
How do I pass the value (not the reference) of a JS variable to a function? [duplicate]
...the let or const keywords to create a block-scoped variable:
for (let i = 0; i < results.length; i++) {
let marker = results[i];
google.maps.event.addListener(marker, 'click', () => change_selection(i));
}
In older browsers, you need to create a separate scope that saves the variable ...
Filtering by Multiple Specific Model Properties in AngularJS (in OR relationship)
...|
edited Mar 22 '17 at 15:04
Mistalis
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answered...