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Unbalanced calls to begin/end appearance transitions for

...e not-suitable (like during initialization) procedure finishes, by doing: __weak MyViewController *weakSelf = self; dispatch_async(dispatch_get_main_queue(), ^{ [weakSelf presentViewController:vc animated:YES]; }); This is general for also pushViewController:animated:, etc. ...
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Swift: declare an empty dictionary

...ou have to be explicit, otherwise you will produce an unusable instance of __NSDictionaryI. Try adding an element to that emptyDict and it will fail at compile time. – Gabriele Petronella Jun 4 '14 at 13:34 ...
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how to rotate a bitmap 90 degrees

... source = BitmapFactory.decodeResource(this.getResources(), R.drawable.your_img); share | improve this answer | follow | ...
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Create directory if it does not exist

...me problem. You can use something like this: $local = Get-Location; $final_local = "C:\Processing"; if(!$local.Equals("C:\")) { cd "C:\"; if((Test-Path $final_local) -eq 0) { mkdir $final_local; cd $final_local; liga; } ## If path already exists ## ...
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Cannot push to Git repository on Bitbucket

...er.email "you@example.com" Check for OpenSSH: $ ssh -v localhost OpenSSH_4.6p1, OpenSSL... See something like that? Yes: Continue. No: Skip to the FOR THE LAZY section or follow the linked article from VonC. See if you have generated the keys already: $ ls -a ~/.ssh/id_* If there are two...
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How to avoid “Permission denied” when using pip with virtualenv

...ed Oct 19 '13 at 23:02 sebastian_oesebastian_oe 6,63822 gold badges1515 silver badges2020 bronze badges ...
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String.Empty versus “” [duplicate]

... instead of "". string a=""; string b=string.Empty; is translate to IL_0000: ldstr "" IL_0005: ldsfld System.String.Empty share | improve this answer | fol...
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How to get all groups that a user is a member of?

...pal.WindowsIdentity]::GetCurrent() $groups = $id.Groups | foreach-object {$_.Translate([Security.Principal.NTAccount])} $groups | select * share | improve this answer | foll...
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Regex empty string or email

... looking for an email or nothing in the middle of a string. For this (email_regex)? is better-suited. – jclancy Jun 18 '13 at 23:26 ...
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How can I pretty-print JSON using Go?

...NewFormatter() f.Indent = 4 // Marshall the Colorized JSON s, _ := f.Marshal(obj) fmt.Println(string(s)) } I'm writing the documentation for it now but I was excited to share my solution. share | ...