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How to encrypt/decrypt data in php?
.../decrypt of data in PHP. I made some online research and some of them were quite confusing(at least for me).
6 Answers
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moving changed files to another branch for check-in
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A soft git reset will put committed changes back into your index. Next, checkout the branch you had intended to commit on. Then git commit with a new commit message.
git reset --soft <commit>
git checkout <branch>
git commit -m "Commit message goes here"
From git docs...
node.js remove file
...ar fs = require('fs');
var gutil = require('gulp-util');
fs.exists('./www/index.html', function(exists) {
if(exists) {
//Show in green
console.log(gutil.colors.green('File exists. Deleting now ...'));
fs.unlink('./www/index.html');
} else {
//Show in red
console.log(gutil.co...
When should I use mmap for file access?
... I can give numbers coming from our project, a kind of text index for a phrase database. The index is several Gigabyte big and the keys are held in a ternary tree. The index is still growing in parallel to read access, access outside the mapped parts are made via pread. On Solaris 9 S...
What does mysql error 1025 (HY000): Error on rename of './foo' (errorno: 150) mean?
...using the column name, but instead you would have to find the name used to index it. To find that, issue the following select:
SHOW CREATE TABLE region;
This should show you the name of the index, something like this:
CONSTRAINT region_ibfk_1 FOREIGN
KEY (country_id) REFERENCES
country...
Rename a dictionary key
... a O(N) in complexity:
def rename(self,key,new_key):
ind = self._keys.index(key) #get the index of old key, O(N) operation
self._keys[ind] = new_key #replace old key with new key in self._keys
self[new_key] = self[key] #add the new key, this is added at the end of self._keys
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Remove items from one list in another
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You don't need an index, as the List<T> class allows you to remove items by value rather than index by using the Remove function.
foreach(car item in list1) list2.Remove(item);
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Fixed page header overlaps in-page anchors
...es links inside the padding area non-clickable. To fix this you must use z-index, and set the links value higher than the anchor's. Remember you topbar should have the highest z-index value, so the page's content don't float ontop of the topbar when you scroll.
– MutttenXd
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In java how to get substring from a string till a character c?
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look at String.indexOf and String.substring.
Make sure you check for -1 for indexOf.
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Is there a way to dump a stack trace without throwing an exception in java?
...thod that needs to know who its caller is. However, a word of warning: the index of the calling frame within the list could vary according to the JVM! It all depends on how many layers of calls there are within getStackTrace before you hit the point where the trace is generated. A more robust soluti...