Tutorial by Examples: is

Update your project with git pull origin master Update s.version inside MyRepo.podspec Check local errors with pod lib lint MyRepo.podspec git add . & git commit -m "Update pods version" git push origin master Make a new release pod trunk push MyRepo.podspec Source

To set the word list that vim will use for spell checking set the spelllang option. For example :set spelllang=en # set to English, usually this is the default :set spelllang=en_us # set to U.S. English :set spelllang=en_uk # set to U.K. English spellings :set spelllang=es ...

The C standard says that files should end with a new line, so if EOF comes at the end of a line, that line may not be missed by some commands. As an example: $ echo 'one\ntwo\nthree\c' > file.txt $ cat file.txt one two three $ while read line ; do echo "line $line" ; done <...

Press controlr and type a pattern. For example, if you recently executed man 5 crontab, you can find it quickly by starting to type "crontab". The prompt will change like this: (reverse-i-search)`cr': man 5 crontab The `cr' there is the string I typed so far. This is an incremental s...

Use $this to refer to the current object. Use self to refer to the current class. In other words, use $this->member for non-static members, use self::$member for static members. In the example below, sayHello() and sayGoodbye() are using self and $this difference can be observed here. cl...

You can create temporary files which has a visible name on the file system which can be accessed via the name property. The file can, on unix systems, be configured to delete on closure (set by delete param, default is True) or can be reopened later. The following will create and open a named temp...

<svg width="800px" height="600px"> <defs> <filter id="complex-shadow" color-interpolation-filters="sRGB" x="-50%" y="-50%" height="200%" width="200%"> <!-- Take source alpha, offset it by angle/...

Sometimes, you may have a list structure that looks like this: Animal Listing Table NameTypeDescriptionTitleString (Text)Name of the animalAgeNumberHow old the animal isValueCurrencyValue of the animalTypeLookup (Animal Types Table)Lookup Field (Gives dropdown of choices from Animal Types Table) ...

Dim aList as New List(Of String) aList.Add("one") aList.Add("two") aList.Add("three") For Each str As String in aList System.Console.WriteLine(str) Next Produces the following output: one two three Another option, would be to loop through using the ...

Microsoft Access is an Application Generator for developing databases and data-driven applications, primarily for local use. Microsoft Access consists of two main elements: A Relational Database Management System (RDBMS) that combines the Microsoft Jet Database Engine (Access 2003 and earler) or ...

Sometimes it is desirable to evaluate a nullable expression in an if-else fashion. The elvis operator, ?:, can be used in Kotlin for such a situation. For instance: val value: String = data?.first() ?: "Nothing here." The expression above returns "Nothing here" if data?.firs...

To load an image and place it on the canvas var image = new Image(); // see note on creating an image image.src = "imageURL"; image.onload = function(){ ctx.drawImage(this,0,0); } Creating an image There are several ways to create an image new Image() document.createEleme...

Skip lists are linked lists that allow you to skip to the correct node. This is a method which is way more fast than a normal singly linked list. It is basically a singly linked list but the pointers not going from one node to the next node, but skipping few nodes. Thus the name "Skip List&quo...

From command line: cpan -l From a Perl script: use ExtUtils::Installed; my $inst = ExtUtils::Installed->new(); my @modules = $inst->modules();

curl 'www.example.com:9200/_cat/indices?v' output: health status index pri rep docs.count docs.deleted store.size pri.store.size green open logstash-2016.07.21 5 1 4760 0 4.8mb 2.4mb green open logstash-2016.07.20 5 1 7232 ...

On desktop apps, you may want to disable scroll-bounce, to give your app a more native feel. You can do this with javascript, by disabling how the browser controls the DOM: // prevent scrolling on the whole page // this is not meteorish; TODO: translate to meteor-centric code document.ontouchmove...

db.posts.find().forEach(function(doc){ if(!doc.foo){ db.posts.update({_id: doc._id}, {$set:{'foo':''}}, false, true); } });

db.posts.find().forEach(function(doc){ if(doc.foo === 'bar'){ db.posts.remove({_id: doc._id}); } });

// initialize pubnub object var pubnub = new PubNub({ subscribeKey: "yourSubscribeKey", publishKey: "myPublishKey" // optional }) // get up to the last 100 messages // published to the channel pubnub.history( { channel: 'channel1' }, func...

for /r command can be used to recursively visit all the directories in a directory tree and perform a command. @echo off rem start at the top of the tree to visit and loop though each directory for /r %%a in (.) do ( rem enter the directory pushd %%a echo In directory: cd rem leave...