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Get the time difference between two datetimes

...you're really keen on that specific formatting, you'll have to build a new string yourself. A cheap way would be [diff.asHours(), diff.minutes(), diff.seconds()].join(':') where var diff = moment.duration(now.diff(then)). This doesn't give you the zero-padding on single digit values. For that, you...
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When to use a Content Provider

... if you don't intend to make it public. It's good practice to provide the extra level of abstraction over your data to make it easier to change internally. What if you decide to change the underlying database structure at a later time? If you use a ContentProvider you can contain all the structur...
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How to access outer class from an inner class?

...ontainer() self.<sub_class> = subclasses[<sub_class, type string>] del subclasses def _subclass_container(self): _parent_class = self class <sub_class>: def __init__(self): self._parent_class = _parent_class r...
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Ora-00257 错误处理一列 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术

...----- ------------------------------ db_recovery_file_dest string +FLASH_RECOVERY db_recovery_file_dest_size big integer 5727M db_unrecoverable_scn_tracking boolean TRUE recovery_parallelism integer 0 查看 +FLASH_RECOVERY 可...
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How do I increase modal width in Angular UI Bootstrap?

... size: "xlg", }); and this will work . because whatever string you pass as size bootstrap will cocant it with "modal-" and this will play the role of class for window. share | imp...
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How to use Regular Expressions (Regex) in Microsoft Excel both in-cell and loops

...not be present but can only be matched one time. E.g. [a-z]? matches empty string or any single lower case letter. * Match zero or more of the pattern defined before it. - E.g. Wildcard for pattern that may or may not be present. - E.g. [a-z]* matches empty string or string of lower case letter...
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Selecting and manipulating CSS pseudo-elements such as ::before and ::after using jQuery

...) with $('p')[0] when using jQuery, for slightly shorter code. Pros: any string can be dynamically inserted into the style Cons: original styles aren't altered, just overridden; repeated (ab)use can make the DOM grow arbitrarily large 3) Alter a different DOM attribute You can also to use att...
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Build Android Studio app via command line

... an emulator) Bonus I set up an alias in my ~/.bash_profile, to make it a 2char command. alias bi="gradlew && adb install -r exampleApp.apk" (Short for Build and Install) share | improve th...
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Set cookie and get cookie with JavaScript [duplicate]

...Time() + (days*24*60*60*1000)); expires = "; expires=" + date.toUTCString(); } document.cookie = name + "=" + (value || "") + expires + "; path=/"; } function getCookie(name) { var nameEQ = name + "="; var ca = document.cookie.split(';'); for(var i=0;i < ca.length;i++...
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Deciding between HttpClient and WebClient

... result = responseTask.Result; var readTask = result.Content.ReadAsStringAsync().Result; } private void CallGetHttpClient() { var httpClient = new HttpClient(); httpClient.BaseAddress = new Uri("https://localhost:44354/api/test/"); var responseTask = http...