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How would Git handle a SHA-1 collision on a blob?
This probably never happened in the real-world yet, and may never happen, but let's consider this: say you have a git repository, make a commit, and get very very unlucky: one of the blobs ends up having the same SHA-1 as another that is already in your repository. Question is, how would Git handle ...
How do I convert array of Objects into one Object in JavaScript?
...e we benefit from comma operator, it evaluates all expression before comma and returns a last one(after last comma). So we don't copy obj each time, rather assigning new property to it.
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impr...
Change the font of a UIBarButtonItem
...low
[buttonItem setTitleTextAttributes:[NSDictionary dictionaryWithObjectsAndKeys:
[UIFont fontWithName:@"Helvetica-Bold" size:26.0], NSFontAttributeName,
[UIColor greenColor], NSForegroundColorAttributeName,
nil]
forState:UIControlStateNormal];
Or with obj...
Safely turning a JSON string into an object
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Pretty safe to use.
– Redsandro
Oct 8 '13 at 11:52
12
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SQLite DateTime comparison
...ormats 1-10) understood by those functions (storing the value as a string) and then you can use them, plus lexicographical comparison on the strings will match datetime comparison (as long as you don't try to compare dates to times or datetimes to times, which doesn't make a whole lot of sense anywa...
Android SDK Manager Not Installing Components
Not sure what I'm doing wrong here. I installed the Android SDK Manager, and am now trying to install a platform like the Android Dev website suggests. Once I clicked install I got an error stating that the Manager could not create a temp folder within the Android directory. So I created it. Now I'm...
Run MySQLDump without Locking Tables
...erts in the case of MyISAM tables. For
transactional tables such as InnoDB and BDB, --single-transaction is
a much better option, because it does not need to lock the tables at
all.
For innodb DB:
mysqldump --single-transaction=TRUE -u username -p DB
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Switching to a TabBar tab view programmatically?
Let's say I have a UIButton in one tab view in my iPhone app, and I want to have it open a different tab in the tab bar of the TabBarController . How would I write the code to do this?
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SQLite: How do I save the result of a query as a CSV file?
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From here and d5e5's comment:
You'll have to switch the output to csv-mode and switch to file output.
sqlite> .mode csv
sqlite> .output test.csv
sqlite> select * from tbl1;
sqlite> .output stdout
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How to make a phone call using intent in Android?
I'm using the following code to make a call in Android but it is giving me security exception please help.
20 Answers
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